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本文(NAVY MIL-I-3374 A (2)-1968 INSULATION CLOTH AND TAPE ELECTRICAL VARNISHED CAMBRIC《途漆的细薄布带电绝缘布和带》.pdf)为本站会员(syndromehi216)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

NAVY MIL-I-3374 A (2)-1968 INSULATION CLOTH AND TAPE ELECTRICAL VARNISHED CAMBRIC《途漆的细薄布带电绝缘布和带》.pdf

1、w. - . _. I 1. i .%. I u.- MILI -3374.A - * 21 October 196s -L - .J . -. AMENDMENT-;! . $ J s WERSEDIN - INTERIM AMENDMENT-l(SHIPS) 16 October 1967 *: a- .- MILITAHY SPECIFICATION INSULATION CLOTH AND TAPE, ELECTRICAL, - VARNISHED CAMBHIC This amendment forms a part of Military Specification MIL-I-3

2、37U, dated 25 July 1955, and is mandatory for use by all Departments and Agencies of the Department of Defense. Pages 1 and 2 2.1: Delete and substitute: “2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form R part of the specification to th

3、e extent specified herein: SPECIFICATIONS FEDERAL UU-P-268 - Paper, Kraft, Untreated, Wrapping. CCC-T-191 - Textile Test Methods. PPP-B-566 - Boxes, Folding Paperboard. PPP-B-576 - Box, Wood, Cleated, Veneer, Paper Overlaid. PPP-B-585 - Boxes, Wood, Wirebound. PPP-B-591 - Boxes, Fiberboard, Wood-Cle

4、ated. PPP-B-621 - Boxes, Wood, Nailed and Lock4orner. PPP-B-636 - Box, Fiberboard. PPP-B-640 - Boxes, Fiberbard, Corrugated Triple Waal. PPP-8-676 -Boxes, Setup. PPP-T-45 - Tape, Gummed, Paper, Reinforced and Plain For Sealing and Securing. PPP-T-60 - Tape, Pressure-Sensitive Adhesive, Waterproof, F

5、or Packaging. PPF-T-76 - Tape, PressureSensitive Adhesive Paper (For Carton Sealing) MII31;JcI MIL-L-10547 - Liners, Case, and Sbeet, Overwrap, Water-Vaporproof or Waterproof, Flexible. I . STANDARDS MILITAAL MIL-STD-105 - Sampling Procedures and Tables for Inspection By Attributes. MIL-STD-129 - Ma

6、rking for Shipment and Storage. , . Licensed by Information Handling Services+ x. - . .- , : MILI-3374.4 :b! * AMENDMENT-2 Page 2 I . 2.2: Delete and substitute: 3 ”2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Onless otherwise indi

7、cated, the issue in effect on date of invitation for bids or re- quest for proposal shall apply. - AMEKICAN SOCIETY FOR TESTING AD MATERIALS (ASTM) D 295 - Methods of Testing Varnished Cotton Fabric Tapes Used for Electrical Insulation. (Application for copies should be addressed to the American Soc

8、iety for Testing Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103. ) WNIFORM CLASSIFICATION COMMITTEE Uniform Freight Classification Rules. (Application for copies should be addressed to the Uniform Classification Committee, 202 Union Station, 516 West Jackson Boulevard Chicago, Illinoi

9、s 60606.)l Page 4 4.1 through 4.3 and table IV: f84.1 Responsibility for inspection. Delete and substitute: niess otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified i

10、n the contract or order, the supplier may use his own or any other facilities suit- able for the performance of the inspection requirements specified herein, unless disapproved by the Government. cation where such inspections are deemed necessary to assure supplies and services conform to prescribed

11、 requirements. The Government reserves the right to perform any of the inspections set forth in the specifi- _, 114.2 Sampling for inspection. Sampling for inspection shall be performed in accordance with the provisions set forth in MIL-STD-105, except where otherwise indicated. inspection lot for e

12、xaminations and tests shall consist of all material of the same type and class sub-;. mitted for inspection and delivery at one time. For purpQSeS of sampling, an I4.2.l Inspection of materials and components. In accordance with 4.1 above, the supplier is re- sponsible for insuring that materials an

13、d components used were manufactured, tested and inspected in ac- cordance with the requirements of referenced subsidiary specifications and standards to the extent speci- fied, or, if none, in accordance with this specification. shall govern. “4.3 “4.3.1 In the event of conflict, this specification

14、Inspection of the end item. Examination of the end item. Examination of the end item shall be made in accordance hdhh the classification of defects, inspection levels and accepkble quality levels (AQLs) set forth below. The lot size, for purpose of determining the sample size inlaccordance with MILS

15、TD-105, shall be expressed in units of rolls of insulation cloth or tape, as applicable, for examination in 4.3.1.1, 4.3.1.2, 4.3.13, 4.3.1.4 and in units of shipping containers for examination in 4.3.1.5. “4.3.1.1 Examination of the end item for defects in appearance and workmanship. The ample unit

16、 for this examination shall be one yard, full width of roll, of insulation cloth or tape as applicable, excluding outer layer of roll. . Appearance Fabric not closely or uniformly woven cotton material. Any knots, dirt, lumps, or irregularity of twist in fabric. . .pL Any wrinkle, crease, blister, c

17、racks, cut, tear, or other imperfection. Material not yellow in color. L Workmanship . Coating not evenly or uniformly applied over entire area of the material. Coating does not adhere firmly to the fabric. Surface not smooth with a uniformly high gloss. Finish Licensed by Information Handling Servi

18、ces. - . - . . . .- . . -_ _ _ . . . _ - . - , I_- i_- - . . -_ . I . MIL-I-3379A (2) 59 9999906 0008732 9 m 1- -.-. , . MIL-I-3374A .* f- AMENWENT-2 t14.3.1.2 Examination of the end item for defects in construction. The sample unit for tion shall be one roll. Insulation on rolls Unwinding of rolls

19、Rolls not evenly and neatly wound. Cores when specified, missing, not same Width of material, crushed, bioken; inside diameter less than specified. Does not unroll evenly ur uniformly. nsulation mterial wound unevenly causing wrinkles or crease within the roll. Contirig breaks, splits or separtites

20、durltig unwlridirig. Roll not continuous. More than 1 splice in roll; splice6 not evenly and neatly made. this examina- *4.3.1.3 shall be one roll. Ednation of the end item for dimensional defects. The sample unit for this examination Defect Width Type I (Untrimmed) Varies by more than -+ 3/16 inch

21、from the required 36 inches wide. inches unless otherwise specified. (Trimmed) . Less than 35 inches or more than 35-1/2 Type II Varies by more than _+ 1/32 inch from the. specified widtn (see Table II). Thickness Types I and II Varies by more than the applicable minimum or maximum values as indicat

22、ed in Table I. “4.3.1.4 Examination of the end item for lennth per roll, The sample unit for this examination shall An examination shall be made to determine that the The sample P. ! be one roll. The average length per roll shall be not less than the specified length per roll. “4.3.1.5 Examination o

23、f preparation for delivery. packaging, packing and marking comply with the requirements of section 5 of this specification. unit for this examination shall be one shipping container, fullypacked selected just prior to the closing operation. Shipping containers fully prepared for delivery shall be ex

24、amined for closure defects. Packaging Not level specified; not in accordance with Not individual roll packaged as specified. Packaging material not as specified; closures not accomplished by specified or required methods or materials. contract requirements. Individual rolls Multiple rolls Not packag

25、ed as specified. Packaging material not as Specified; closures not Intermediate packages exceed specified weight (see Not level specified; not in accordance with contract Liner material (as applicable) omitted, damaged, or Container material damaged or not as specified. Closures not accomplished.by

26、specified or required Number of rolls per container less than indicated. Gross weight exceeds contract requirements. Illegible, incori.ect, incomplete, omitted, or not in accordance with contract requirements. accomplished as specified. . 5.1.2.2). Packing requirements. not an specified. 0 methods o

27、r materials. , i Count Weight Markings . I “4.3.1.6 Inspection levels and acceptable quality levels (AQLts) for examinations. The inspection levels for determining the sample size, and the acceptable quality levels (AQLs) expressed in defects per . .- 100 units, -shall be as follows: a.; _ . . , Lic

28、ensed by Information Handling ServicesPhread Count Wrap Filler As Received After aging ilarnish Coating . 3reaking Strength Lengthwise Crosswise (TypeI Class 2) Iielectric Strength Condition C-96/23/0 Condition C-96/23/96 Crosswise (Type I Pear strength Class 2) 3.1 3 -1 3 -2 3 -2 Table III Table II

29、I Table III Table III Table III c MIL-1-3374-4 AMENMENT-2 Examination paragraph Inspection levels 4.3.1.1 I 2-5 4.3.1.2 s-3 4-0 4.3.1.3 s-3 4.0 4.3.1.4 s-3 4.3.1.5 s-2 4.0 - - NOTE: yardage used for examination under 4.3.1.1 and the rolls used for examinations under 4.3.1.3 and 4.3.1.4 shall be with

30、in the rolls randomly selected under 4.3.1.2. The same rolls shall be used for examinations under paragraphs 4.3.1.1 thru 4.3.1.1, inclusiva. The . c “4.3.2 End item testing. The end item shall be tested for th3 applicable characteristics as indi- cated in table IV for each lot presented for accepta

31、nce inspection. full width of roll for type I cloth, and one roll for type II tape. in units of rolls of insulation cloth or tape as appliaable. acceptable quality level (AQL) shall be 2.5 expressed in defects per 100 units. The sample unit shall be one yard The lot size shall be expressed The inspe

32、ction level shall be S-I. The i. Table IV - Instructions for testing (sample unit). nspec- AQL tion Level t I Specification Reauirement: reported as Numerically to nearesa Number Result sample unit Appl ndiv unit - X X X X X X X X X - ref er Rqmts. i- Characteristic - ice Test method 4.4.3.4 4.L.3.4

33、 3.2 and 4.4.4 3.2 4.4.5 4.4.5 4.4.7 4.4.7 4.4.8 Thr ead/in ch Thread/inch 1 1 (Avg of 5) a lb/in width (Avg of 10) - VOlts/mil (Avg of 10) - VoltS/dl (Avg of 10) - Gram If failure is indicated report description of failure. a Report all values on which results are basedell 4.4.2: Delete. Page 7 4.4

34、.9: Delete, O Pagos 7 and 8 r # Section 5: Delete and substitute: “5. PREPARATION FOR DELIVERY I (The preparation for delivery requirements specified herein apply only for direct Governmt . procurements.) Licensed by Information Handling Services. e I .MIL-I-3374A (2) 59 M 7999706 0008734 2 M -. -.

35、c MIL-I-3374A AMEXMENT-2 “5.1 Sub-contracted material and parts. The preparation for delivery requirements of referenced documents listed in section 2 do not apply when material and parts are procured by the supplier for incorporation into the equipment and lase their separate identity when the equi

36、pment is shipped. “5.2 Preservation and wckaaing. Preservation and packaging shall be level A or C, as specified (ese 6.2). * . “5.2.1 Level A. “.%.1.1 Cleaning. Cloth rolls and tape shrill be cleaned iii occordance with Process C-1 of MIL-P-.116. 15.2.1.2 Drying. “5.2.1.3 Unit packaginq. Cloth roll

37、s arid tape shall be dried in accordanco with MIL-r-116. Cloth rolls and tape in the quantity specified (see 6.2), shall be packaged in accordance with Method 111 of MIL-P-116. “5.2.1.3.1 Cloth. Cloth shall be furnished in rolls, rolled open width on a convolute or spiral wound chipboard tube. (mini

38、mum), unless otherwise specified (see 6.2). more than 1 inch beyond each end of the roll, weight kraft paper conforming to UU-P-268 and securely taped with 2-1/2 inch width gummed kraft tape con- forming to PPP-T-45. approximately equidistant along its length with the tape overlapping itself at leas

39、t 2 inches. The tube shall have a wall thickness of 0.20 (minimum) with an inside diameter of 2 inches The ends of the tube shall be flush with or extend not Cloth rolls shall be individually wrapped in 30 pound basin Each wrapped roll shall be completely circled with tape at a minimum of 4 places 1

40、15.2.1.3.2. m. Tape shall be wound evenly in rolls on cores made of paper fiber or plastic. The cores shall have an inside diameter of,2 inches minimum unless otherwise specified (see 6.2). be approximately flush with roll sides. Rolls of tape shall be individually wrapped in kraft paper con- formin

41、g to IN-P-268 or equivalent or individually packaged in folding cartons or set up boxes conforming to PPP-B-566 or PPP-B-676. Cores shall receiving activity . 5.3 Packing. Packing shall be level A, B, or C as specified (see 6.2). Y “5.2.1.4 Intermediate packaainp (tape only). Unless otherwise specif

42、ied (see 6.2), rolls of tape of the same length, width, and class shall be packaged in fiber boxes conforming to PPP-B-636, type CF, class domestic. The gross weight of intermediate packages shall not exceed 20 pounds. I P- “5.2.2 Level C. Rolls of cloth or tape shall be packaged in a manner that wi

43、ll afford adequate protection against deterioration and physical damage during shipment from the supply source to first “5.3.1 Level A. Tape and cloth rolls packaged as specified (see 6.2), shall be packed in containers conforming to class weather resistant, PPP-B-636, class 3, PPP-B-585, and class

44、2 of PPP-B-640, PPP-B-576, PPP-B-591and PPP-B-621. of PPP-B-636 which shall not. exceed weight limitations of the specifications. in accordance with the appendix of the applicable container specification. be provided with a sealed waterproof case liner conforming to MIL-L-10547 except an alternate w

45、aterproofing method for PPP-B-636 may be accomplished by sealing all seams, corners, and manufacturers joint with waterproof tape 3 inches minimum width conforming to PPP-T-60 class 1 or PPP-T-76. : The gross weight of each pack.shal1 be limited to 200 pounds with the exception Container closure sha

46、ll be All shipping containers shall “5.3.2 Level B. Tape and cloth rolls packaged as specified (see 6.2), shall be packed in containers conforming to PPP-B-636, class domestic, class 2 of PPP-B-640, class 1 of PPP-B-576, PPP-B-585, PPP-8-591, PPP-B-621. which shall not exceed weight limitations of t

47、he specification. Containers closure shall be in accordance with the appendix of the applicable container specification. The gross weight of each pack shall be limited to 200 pounds with the exception of PPP-B-636, I. 115.3.3 Level C. Cloth rolls and tape packaged as specified (see 6.2), shall be pa

48、cked in containers acceptable to the cwunon carrier and which will insure delivery at the destination in a satisfactcry con- dition at the lowest applicable rate. Containers or method of packing shall comply with Uniform FYeight Classification Rules or other carrier rules and regulations as applicab

49、le to the mode of transportation. e “5.4 Marking. In addition to any special marking required by the contract or order, each unit package, intermediate and exterior containers shall be marked inisccordance with MIL-STD-129.“ . Licensed by Information Handling Servicesc MIL-I-337U AMENBWT-2 Page 8 Delete and substituter preservation, packaging, packing, and applicable marking (see section 5) .I1 # 6.2, item (g): “(9) Level6 Of # Add new paragraph 6.3: 16.3 International staridardization apreement. Certain provisions of this specification are the sub-

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