1、-_ - .- _. _-_ - MIL-F-4330A 3 7779706 0447508 7 MIL-F-433 1 OA 30 December 1970 SUPERSEDING MIL-F-43310 12 February 1965 MILITARY SPECIFICATION FELT SHEET: NYLON, NON-WOVEN (NEEDLE PUNCHED) This specification is mandatory foruse by all Departments and Agencies of the Department of Defense, 1. SCOPE
2、 1.1 Scope.- This specification covers nylon felt intended for use as padding for laundry presses. 1.2 Classification.- The felt shall be of the following types as specified (see 6.2) : Type I - 13.0 ounces per square yard. Type II - 18.0 ounces per square yard. Type III - 29.0 ounces per square yar
3、d. 2, APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL T-T-871 - Twine, Cotton, Wrapping. T-T-911 - Twine, Jute. -P-268 - Paper, Kra
4、ft , Untreated, Wrapping. CCC-C-429 - Cloth, Osnaburg , Cotton. CCC-C-467 - Cloth, Burlap, Jute (or Kenaf). PPP-T-45 - Tape, Gummed, Paper, Reinforced and Plain for Sealing and Securing. FSC 8305 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-
5、43 3 10A MILITARY MIL-L-10547 - Liners , Case and Sheet, Overwrap , Water-Vaporproof MIL-T-40625 - Tubing, Bias Sewn, Burlap or Osnaburg Cloth. or Waterproof , Flexible. STANDARDS PEDERAL FED-STD-191 - Textile Test Methods. MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attr
6、ibutes. MIL-STD-129 - I4arking for Shipment and Storage. (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer). * 2.2 Other publ
7、ication.- The following document forms a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. Rules and regulations Under the Textile Fiber Products Identification Act. (Copies m
8、ay be obtained without charge from the Federal Trade Commission, Washington, D. C. 20580.) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC. National Motor Freight Classification (Application for copies should be addressed to the American Trucking Associa- tion, Attn: Tariff Order Section, 1616 P. St
9、reet, N.W., Washington, D. C. 20036 .) UNIFORM CLASSIFICATION COMMITTEE Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, Room 202 Union Station, 516 West Jackson Boulevard , Chicago , Illinois 60606 .) 2 Provided by IHSNot for Resale
10、No reproduction or networking permitted without license from IHS-,-,-MIL-F-433LOA 3 = 7977706 0447510 5 M MIL-F-433 10A 3. REQUIREMENTS 3.1 Material.- 3.1.1 =.- The felt shall be a non-woven (needle punched) construction The nylon shall have a melting point of and shall be made of nylon of suitable
11、length and denier to comply with the requirements of this specification. (482 i- 10F). (see 4T4). The use of regenerated or reprocessed nylon is prohibited 3.2 Color.- The color of the finished felt shall be natural. 3.3 Physical requirements,- The finished felt shall conform to the physical require
12、ments specified in table I when tested as specified in 4.4. TABLE I. - Physical requirements Weight per Thickness Breaking Compress ion Re si li ence square yard strength deformation me ounces inches pounds percent percent (min.) (min.) (min. Leng th Wid th Minimum . MZIXimUln I 13 .O 0.130 10 10 32
13、 .O 70.0 II 18.0 o. 180 10 10 32 .O 70 .O III 29 .O O .310 40 40 32 .O 70 .O 3.3.1 Width .- The finished width shall be 54 inches minimum. 3.4 Finish.- The staple or felt shall be heat treated. The finished - felt shall show not more than 3.0 percent dimensional change in either length or width when
14、 tested as specified in 4.4. 3.4.1 Accelerated ageing.- The finished felt shall not lose more than 50 percent of the original breaking strength when tested as specified in 4.4. 3.5 Length and put-up.- nless otherwise specified (see 6.21, the felt shall be in continuous lengths, each not less than 25
15、 continuous yards. Each length shall be put up on rolls. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-IIOA 83 m 9999906 04q751L 7 MIL-F-43310A 3.6 Identification tickets .- Unless otherwise specified , each roll of felt shall have a ticket
16、 attached to the edge at the inner end of the felt with not finer than 5-ply cotton string doubled to not less than 8 inches long. The ticket shall be made of not less than 20-point paper stock, and the color shall be white or light in intensity to permit easy reading of printed, stamped or typed ma
17、rkings. Entries on tickets shall be printed, stamped or typed. Handwritten entries are prohibited. The ticket shall have a reinforced eyelet for attaching the tying cord and shall be legibly printed with water-soluble ink with the following information: Nomenclature- Type-.- Thickness- - Federal Sto
18、ck Number- Contract nuniber and date- Specification number and date- Name of contracting office- Suppliers piece number- Supplier-.- Net yards- 3.7 Fiber identification.- Each roll of felt shall be labeled, ticketed or invoiced for fiber content in accordance with the Textile Fiber Products Identifi
19、cation Act. 3.8 Workmanship.- The finished felt shall conform to the quality estab- lished by this specification. applicable acceptable quality levels. 4. QUALITY ASSURANCE PROVISIONS The occurrence of defects shall not exceed the * 4.1 Responsibility for inspection .- Unless otherwise specf ied in
20、the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as Specified herein. specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, u
21、nless disapproved by the Government, The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Except as otherwise * 4.1.1 Certificate of complianc
22、e.- Where certificates of compliance are sub- mitted, the Government reserves the right to check test such items to determine the validity of the certification. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-Ll33LOA 3 777770b OY47512 7 MIL-F-4
23、3310A 4.2 Inspection.- Sampling fot inspection shall be performed in accordance dth MIL-STD-105, except where otherwise indicated hereinafter. * 4.2.1 Component and material inspection.- In accordance with 4.1 above, components and materials shall be tested in accordance with all the requirements of
24、 referenced specifications, drawings, and standards unless otherwise excluded, amended, modified or qualified in this specification or applicable purchase document. 4.3 Examination of the end item.- Examination of the felt shall be in accordance with 4.3.1 through 4.3.3.2. 4.3.1 Yard-by-yard examina
25、t%.- The required yardage of each roll shall be examined on the face side and defects classified in accordance with the list below. A continuous defect shall be counted as one defect for each lengthwise yard or fraction thereof in which it occurs. The sample unit shall be 1 linear yard of felt. The
26、sample size shall be based upon inspection level II of MIL-STD-105. The sample size and the lot size shall beexpressed in units .of 1 yard each. The number of rolls from which the sample is to be selected shall be in accordance with table II of this specification. An approximately equal number of ya
27、rds shall be examined in each roll of the sample. The acceptable quality level (AQL) shall be 6.5 (one class) defects per hundred units (yards). Defects - Any hole, cut, tear. Any spot, stain or streak - clearly visible LI. Crease or wrinkle, hard embedded. - 1/ At. the normal inspection distance (a
28、pproximately 3 feet). TABLE II .- - - Lot size Sample size Maximum no. of defects in yards- - in rolls - acceptable in samples up to 1200 L/ 3 io ,000 7 35,000 10 1201 up to and including 3200 3201 up to and including 10,001 up to and including 35,001 up to and including 150,000 15 150,OOf and over
29、25 5 - EI Ef a lot contains fewer than three rolls, each roll in the lot shall be examined. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-433LOA 83 = 7777706 0447513 O m MIL-F-4 3310A 4.3.2 zvrall examination.- Each defect listed shall be c
30、ounted not more than once in each roll examined. The sample unit shall be one roll. The sample size (number of rolls selected as sample) and the number of defects acceptable shall be as shown in table II. Overall defect -_I- Width less than specified 4 .3.3 Examination foroxngttt. - 4.3.3.1 Lndividu
31、al rex.- The roll shall be examined for length, Any length found to be less than the specified minimua length, or more than 2 yards less than the length marked on the ticket or not in a continuous length shall be scored a defect. The sample unit shall be one roll. selected as sample (sample size) an
32、d the acceptance number for this examination shall be in accordance with table II. The number of rolls 4.3.3.2 Total yardage in sample-.- The lot shall be unacceptable if the total of the actual lengths of the rolls in the sample is less than the total of the lengths marked on the tickets. The rolls
33、 examined shall be those selected for examination of individual rolls. 4.3.4 Examination of preparation for delivery requireme-.- An examination shall be made to determine that the packaging, packing and marking complies with Section 5 requirements of this specification. Defects shall be scored in a
34、ccord- ance with the list below. The sample unit shall be one shipping container fully prepared for delivery with the exception that.it need not be sealed. of closure listed below shall be examined on shipping containers fully prepared for delivery. item inspection lot. shall be 2.5 defects per 100
35、units. Defects The lot size shall be the number of shipping containers in the end The inspection level shall be S-2 of MTL-STD-105 and the AQL -._ Examine - Defect Marking (exterior and interior) Materials Omitted; incorrect; illegible; of improper size, location, sequence, or method of application,
36、 Any component missing. Any component damaged, affecting serviceability. * 4.4 Tests.- The methods of testing specified in FED-STD-191, wherever applicable and as specified in table III shall be followed. chemical values specified in Section 3 apply to the results of the determinations made on a sam
37、ple unit for test purposes as specified in the applicable test method, except for breaking strength initially and after accelerated ageing. The physical and 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-LI33LOA 83 777770b 0447534 2 9 MIL-F-
38、43310A The breaking strength requirements are applicable to the average of the determinations made on all sample units (lot average). be 1-1/2 continuous yards, full width of the finished felt. be expressed in units of 1 yard, The lot shall be unacceptable if one or more sample units fail to meet an
39、y test requriement specified or if the breaking strength results based on the average of all determinations (lot average) fail to meet the specified requirement. values utilized in expressing the final result. sample units) shall be in accordance with the following: The sample unit shall The lot siz
40、e shall All test reports shall contain the individual The sample size (number of kt size yards- - Sample size (units) 800 or less 801 up to and including 22,000 22,001 and over 2 3 5 TABLE III. - Test methodg I LI- Requirement Test - Character ist ic - Paraeraph- - I- method Material Construction IJ
41、 Melting point Regenerated or reprocessed nylon Weight Thickness Compression deformation Resilience Breaking strength: Initially After heat ageing Heat treatment Dimensional stability Finish: 3.1.1 3.1.1 3.1.1 3.3 3.3 3.3 3.3 3.3 3.4.1 3.4 3.4 Visual 1534 The ends of the tube shall be flush with, or
42、 extend not more than 1 inch beyond each side of the width of the rolled felt. Each roll shall be completely inclosed in two thicknesses of 60-pound basis weight kraft paper conforming to grade B of -P-268. with 2-inch minimum width gummed paper tape conforming to type III, grade C of PPP-T-45. - Th
43、e paper wrapping shall be secured 5.1.2 Level C.- Felt shall be packaged to afford adequate protection against physical damage during shipment from the supply source to the first receiving activity, The supplier may use his standard practice when it meets this requirement. 5.2 Packing.- Packing shal
44、l be level A, B or C as specified (see 6.2). 5.2.1 Level A.- Each roll of felt, packaged as specified in 5.1 shall be completely overwrapped in a waterproofed flexible sheet conforming to type III, grade B or C of MIL-L-10547. sheet shall be secured by one of the methods specified in the appendix of
45、 the overwrap sheet specification. Each averwrapped roll of felt shall be wrapped and sewn in cotton osnaburg cloth conforming to class 2 of CCC-(3-429, or jute (or kenaf) burlap cloth conforming to class 1 of CCC-C-467. wrapping shall be securely sewn with 16-ply cotton twcine conforming to T-T-871
46、 The seams and folds of the overwrap The 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-43310A 83 777770b 04LI7537 m P or jute twine conforming to type I, size 2 of T-T-911, with approximately one stitch to the inch and every third stitch kn
47、otted. surplus covering shall be gathered together on each of the four corners and securely sewn into ears for handles. n lieu of the sewn wrapping, the cloth covering may be in bias-sewn tubing form or bags (tubing presewn one end) conforming to ML-T-40625, with closure effected by securing each op
48、en end with two w3re ties, The first wire tie shall be applied as close to the contents as possible, shall be applied approximately 1 inch from the first wire tie, with the twisted ends positioned opposite to the ends of the first wire tie, wire ties shall be not less than 6 inches long, 0,072-inch thick galvanized soft iron or steel wire wich a 1/2-inch diameter formed eye at each end, Five inches of The second wire tie The 5.2.2 Level B,- Each roll of felt, packaged as Specified in 5.1, shall be wrapped in cloth covering as specif
