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
《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》由会员分享,可在线阅读,更多相关《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(7页珍藏版)》请在麦多课文档分享上搜索。
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
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