NAVY MIL-P-17578A-1967 PACKING MATERIAL PLASTIC (FOR DOGS FOR WATERTIGHT CLOSURES) (SYMBOL 1425)《(标记1425)水密关闭压板的塑料包装材料》.pdf

1、MIL-P-17578A 53 M 777770b 0102023 1 Er-49-0 MIL-P-.17578A(SHIPS) 12 APRIL 1967 SUPERSEDING MIL-P- 17578(SHIPS) 9 MAY 1953 (See 6.5) MILIT ARY SPECIFICATION PACKING MATERIAL, PLASTIC (FOR DOGS FOR WATERTIGHT CLOSURES) (SYMBOL 1425) 1. SCOPE 1.1 Scope. - This specification covers plastic packing mater

2、ial (symbol 1425) consisting of a highly 1.2 Classification. - Plastic packing material shall be of the following types, as specified (see 6.2): Type I - Sticks. Type II - Cofled strings. Type Ei - Bulk. Type Tv - Preformed. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect

3、on date of invitation for bids or request for proposal, viscous ofly binder with a finely ground lubricant filler. form a part of the specification to the extent specified herein. SPECIFICATIONS FEDERAL QQ-S-766 - Steel Plate, Sheet, and Strip - Corrosion Resisting. MILITARY MIL-P-116 - Preservation

4、, Methods of. DRAWING MILiTARY 805-1400067 - Doors W. T. Individually Dogged Medium Steel and CRES Dog Details. (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or a

5、8 directed by the contract- ing officer.) 2.2 Other publications. - The following document forms a part of this specification to the extent speci- fied herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for pro- posal shall apply. OFFICIAL CLASSIFICATIO

6、N COMMITTEE Uniform Freight Classification Rules. (Application for copies should be addressed to the Official Classification Committee, 1 Park Avenue at 3. REQUIREMENTS 3.1 Qualification. - Packing material furnished under this specification shall be products which are 33rd Street, New York, N. Y. 1

7、0016. ) 1, qualified for listing on the applicable qualified products list at the time set for opening of bids (see 4.2 and 6.3). 7 E THIS DOCUMENT CONTAINS 7 PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 17578A(SHIPS) 3.2 Material. -

8、Plastic packing material shall consist of a highly viscous oily binder and a lubricant fil- ler of finely ground substances. The packing shall be free from all ingredients which have a deleterious effect on corrosion-resisting steel. The ingredients shall be suitable for use at temperatures from 15F

9、. to 200F. and pressure differential up to 45 pounds per square inch. 3.3 General. - The packing material shall be permanently homogeneous and plastic and have a consis- tency proper for handling, lubricating, and sealing purposes. 3.4 Composition and construction. - The composition and construction

10、 shall conform to that of the sam- ple submitted for qualification (see 4.2). 3.4.1 Type I (sticks). - Unless otherwise specified (see 6. 2), type I packing shall be furnished in the form of sticks approximately 1-1/4 inches long and a diameter of O. 24 plus or minus O. 04 inch. 3.42 Type II (colled

11、 strings). - Type II packing shall be similar in composition to type I, but enclosed in a lattice of cotton thread to form a continuous string O. 125 plus or minus O. 03 inch in diameter. 3.4.3 Type I (bulk). - Type I packing shall conform to type I packing but packaged in bulk. 3.44 Type IV (prefor

12、med). - Type TV packing shall conform to type II packing, but preformed to the di- mensions and shape specified (see 6.2). 3.5 Flexibilitv (tvues I and Ei onlv). - 3.5.1 Type I. - The sticks shall not break when tested in accordance with 4.5.1. 3.5.2 Type Ili. - The bulk material when formed into st

13、icks of the dimensions given in 3. 4.1 and tested in accordance4. 5.1 shall not break. 3.6 Simulated performance. - During each of the three consecutive cycling operations described in 4.5.2 the packing shall not leak more than O. 20 cubic feet of air and shall not increase the torque required to st

14、art rotating the handle (not contacting wedge) more than 10 foot-pounds. 3.7 Corrosion resistance. - There shall be no corrosion of corrosion-resisting steel plates under the packing material when tested as specified in 4.5.3. 3.8 Workmanship. - The workmanship shall be first class in every respect.

15、 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. - Unless 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, the supplier may utiiize his own faci

16、lities or any commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the speci- fication where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Qualification tes

17、ts. - Qualification tests shall be conducted at a laboratory satisfactory to the Naval Ship Engineering Center. Qualification tests shall consist of the tests specifiedin 4.5. Qualification approval of type I and type II material may also serve as qualification approval for type III and type IV mate

18、rial, . respectively. 4.3 Sampling.- 4.3.1 Lot. - For purposes of sampling, a lot shall consist of all packtng material of one type, produced 4.3.2 Sampling for examination. - A random sample of units of packing material shall be selected from in one plantzder essentially the same conditions and off

19、ered for delivery at one time. each lot in accordance with the sampling plan specified in table I for the examination specified in 4.4.1. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Number of units i/ of I packinginlot packing in sample 15 and

20、under 16 to 40 41 to 110 111 to 300 301 to 500 501 to 800 801 to 1300 1301 and over 7 10 15 25 35 50 76 110 Accept O O O 1 2 3 4 6 Reject 1 1 1 2 3 4 5 7 - ?Units of packing - Type I, package; type II, spool; type III, can; type IV, set (see 6.2). 4.3.3 Sampling for comparison-=- From the first lot

21、of packing material of each type offered for delivery under a contract or order, a representative one-pound sample shall be selected. Thenceforth, a representative one-pound sample shall be selected from one of every ten lots which have passed examination. The sample so selected shall be forwarded t

22、o a laboratory satisfactory to the Naval Ship Engineering Center for tests specified in 4.4.2. 4.4 Examination and tests. - specification which do not required tests. -Minor surface defects not affc ing material shall not be cause for rejection. If any unit of packing material in the sample contains

23、 one or more defects, this shall be cause for rejection, and if the number of defective units of packing material in any sample exceeds the acceptance number for that sample, this shall be cause for rejection of the lot repre- sented by the sample. except as hereinafter specified, acceptance afid re

24、jection of lots shall normally be on the basis of the examin- ation specified in 4.4.1. Lot acceptance shall then not be withheld pending receipt of a test report on the subsequent production samples. However, upon receipt of an unsatisfactory test report on a comparison test sample, additional samp

25、les from every subsequent lot offered for delivery shall be selected, The sample so selected shall be submitted to a laboratory satisfactory to Naval Ship Engineering Center and shall there be subjected to the comparison teats specified in 4.4.2. Lots shall then be accepted only upon receipt of a sa

26、tis- factory test report on the samples so selected. Additional testing shall be discontinued and lot acceptance re- turned to the normal basis when four successive lots have been accepted. i 4.5 Test proce-. - (73.5 L 2F. ). I 805-1400067. Type II (coiled string) and type IV (performid) m-aterial m

27、ay be ubricsed and sealed with type I (sticks) or type III (bulk), if necessary. The size of the test tank is optional, but a tank approximately one cubi6 foot in volume is practical and effective. c I 4 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-

28、,-,-MIL-P-1757A 53 9779306 O10202b 7 W - MIL-P- 17578A(SHIPS) temperature of 23“ f. 1.1“C. (73.5“ 2 2F. ) for the specified number of cycles after each specified precondi- tioning in the following sequence: Preconditioning Number of cycles None (as installed) 400 2 hours at 93.3“ closure not accompl

29、ished by specified or required methods or materials. Any nonconforming component, compo- nent missing, damaged, or otherwise defective, affecting serviceability. Inadequate application of components such as: incomplete closure of case- liners, container flaps, loose or in- adequate strappings; bulge

30、d or dis- torted containers. specified or indicated quantity. Number of items per container less than Gross weight exceeds specified require- ments. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-P-1757BA 53 W 7799706 0102027 7 Examine Defect

31、 Weight: (Contd) Wood or wood- cleated boxes Markings Gross weight exceeds 200 pounds. interior or exterior markings (as applicable), omitted, illegible, in- correct, incomplete, or not as specified. 4.6.1 If the number of defective units exceeds the AQL, this shall be cause for rejection of the ent

32、ire lot represented by the units. 5. PREPARATION FOR DELIVERY 5.1 Domestic shbment and early material use. - 5.1.1 Packaging shall be sufficient to afford adequate protection against deterioration and physical dam- age during shipment from the supply source to the using activity and until early inst

33、allation and may conform to the suppliers commercial practice when such meets these requirements. carrier at thmst rate and will afford protection against physical or mechanical damage during direct ship- ment from the supply source to the using activity for early installation. The shipping containe

34、rs or method of packing shall conform to the Uniform Freight Classification Rules and Regulations or other carrier regula- tions as applicable to the mode of transportation and may conform to the suppliers commercial practice when such meets these requirements. 5.1.3 Marking. - Shipment marking info

35、rmation shall be provided on interior packages and exterior shipping con- in accordance with the contractors commercial practice. The information shall include nomenclature, Federal Stock number or manufacturers part number, contract or order number, contractors name and destination, and date of man

36、ufacture. packing, and marking for shipment shall be specified by the procuring activity (see 6.1). seas shipment, which may be required when procurement is made by a Government activity (see 6.1). 5.1.2 Packing. - Packing shall be accomplished in a manner which will insure acceptance by common 5.2

37、Domestic shipment and storage or overseas shipment. - The requirements and levels of packaging, (5.2.1 The following provides various levels of protection during domestic shipment and storage or over- 5.2.1.1 Packaging. - Packaging shall be Level A or C, as specified (see 6.2). 5.2.1.1.1 Level A. -

38、5.2.1.1.1.1 Type I. - Type I (sticks) packing material shall be wrapped or suitably enclosed in grease- proof barrier materialonforming to grade A of MIL-B-121. The packing material shall then be placed in snug fitting unit and intermediate containers conforming to PPP-B-566, PPP-B-636, or PPP-B-676

39、. Con- tainer closure and sealing shall be in accordance with the applicable container specification or Appendix thereto. 5.2.1.1.1.2 Type II. - Type II (coiled strings) shall be furnished on commercial metal spools. The spools shall be wrappedr suitably enclosed in greaseproof barrier material as s

40、pecified in 5.2.1.1.1.1 and packaged in containers as specified in 5.2.1.1.1.1. 5.2.1.1.1.3 Type III. - Type III (bulk) packing material shall be furnished in 5-pound metal cans con- forming to type V, class 2 or 4 of PPP-C-96. Exterior plan B coating and side seam striping shall be re- quired. Cans

41、 shall be provided with wire handles which shall be galvanized or otherwise protectively coated to resist corrosion. 5.2.1.1.1.4 Type IV. - Type IV (preformed) shall be wrapped or suitably enclosed in greaseproof bar- 6 rier material confo=to grade A of MIL-B-121. The packing material shall then be

42、placed in snug fitting tube containers conforming to PPP-C-55. When specified (see 6.2), only one set of packing shallbepackaged Y 7 L .- , t Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 17578A(SHIPS) in one container. Tube containers shall

43、 then be placed in unit or intermediate containers conforming to PPP- B-566, PPP-B-636, or PPP-B-676. and physical damage during shipment from the supply source to the first receiving activity for early use and may conform to the supplierls commercial practice. 5.2. 1.1.2 Level C. - Packaging shall

44、be sufficient to afford adequate protection against deterioration L 5.2.1.2 Packing. - Packing shall be Level A or B, as specified (see 6.2). 5.2.1.2.1 Levels A and B. - 5.2.1.2.1.1 Types I, II and IV. - Types I, II and IV packing material, packaged as specified (see 6.2), shall be packed in contain

45、ers conforming to class weather resistant of PPP-B-636 or class 2 of PPP-B-640, at the option of the supplier. All corners and edge seams and manufacturers joints of fiberboard boxes shall be waterproofed with tape in accordance with the Appendix to the box specification. Boxes shall be closed and b

46、anded with pressure sensitive tape in accordance with the applicable box specification or Appendix there- to. The gross weight of fiberboard boxes shall not exceed the weight limitations of the applicable box speci- fication. Fiberboard containers when used for packaging (see 5.2.1.1.1.1 and 5.2.1.1

47、.1.4), conforming to class weather resistant of PPP-B-636, closed, sealed and banded as specified herein may be used as the shipping container and need not be overpacked. 5.2.1.2.1.2 Type m. - Type Ili packing material packaged in cans shall be arranged and packed for overseas shipments in accordanc

48、e with the requirements of the Appendix to PPP-C-96. 5.2.1.3 Marking. - in addition to any special marking required by the contract or order, interior pack- ages and exteriorpping containers shall be marked in accordance with MIL-STD- 129 and shall include the date of manufacture.) 6, NOTES 6.1 inte

49、nded use. - Plastic packing material (symbol 1425) is intended for use in packing dogs and operating handwheel spindles of watertight doors. 6.2 Ordering data. - Procurement documents should specify the following: (a) Title, number, and date of this specification. (b) Type required (see 1.2). (c) Dimensions and shape (see 3.4.1 and 3.4.4). (d) Number of type IV (preformed) packing constituting one set (see 4.3.2). (e) Packaging, packing or marking requirements