1、. MiLIWY SPECIFCATIOJ$ PROJECI!II;E, 4.2 INCH, *- SMOKE, M328A1; . - W ELLJXG - : - This specification is mandatory for use by all De- partments and Agencies. of the Departmnt of Defense. F- ./- 1. SCOPE -. I- 1.1 This specification cove on date of invita- tion for bids or request for proposal, fonn
2、 a prt of tnis specification to the extent specified herein. i e. . - . , . I.“, - MIL-C-215 .- - S- MIIXTARY bemcica Agent, White hocp ph or us, (wP). * MIL-STD-lOg - Sampling:Procedures and Tables for Inspection by Attributes. I s _I - .- THIS DOCUMENT CONTAINS b PAGES. i. _. Provided by IHSNot fo
3、r ResaleNo reproduction or networking permitted without license from IHS-,-,-us ARMY ,WTTIONS cornu?) 8797835 - ProJectile, 9.2 inch, WP, Smoke, M328ai, Loading 8848553 - Pallet .for 4.2 Inch Mortar Projectile Bodies. s1520 Assembly . - Karking Diasam for Pallets for Projectile 75MM to 120m. (Copies
4、 of specifications, standards, drawings, and publications -required by suppliers in connection with specific procurement functions 6hould. be obtained from the procuring activity.or as ire.cted by the contracting offi Cer. ) . 3.1 Haterials and components, AU materials and componnts cited on _- Draw
5、ing 8797838 or on the subsiiary drawings shall conform to the drawings . and specifications listed thereon r to the specific chmcteristics set forth on the drawings. .- 3.2 FLlgng. The projectile, clean and fke from foreign matter, shal be filled with molten TITp conforming toMEC-2l5, at a temperatu
6、re of 140 f 10 F (see 6.2 and 6.3) the filling operation, the water shall be buffered by a suitable alkaline salt to maintain a pE value between 6.5 and 8.0. After test for leakage, the WP shall be solidified with the projectile in a nose-up position. shall be in accordance with Drawing 8797838. Whe
7、n water is %n contact witin the WP. during 3.3 Assembly. Closing, coating, marking and assembly of the projectile . 3.4 Filling height. volume, existing above the surface of the water over the WP in the filled and closed projectile. closed projectile shall not exceed 1/4 inch. radiographed in a vert
8、ical, nose-up position while the temperature of the WP is 130 There shall be 8 3 to 5 percent void, by total The depth of water remaining in the filled and The projectile shall be ;LOo F when tested as specified in 4.2.4.2 (see 6.3) 3.5 Cleaning after closing. me exterior surface of the fiiied and c
9、losed projectile, and the interior of the burster casing, shall lje thor- oughly cleaned to remove any grease, oll, WP or other contamination (see 6.4)- 3.6 Leakage. The closed an0 cleaned projectile shall not leak when msintained at 207 to 212O F for a minimum period of 15 minutes. Olternate metkod
10、: the projectile shall not leak when naintained at lho f 5 a period of 8 hours. F for %e projectile .shall be %este thereafter, special inspection level S-4 shall be used. For radiographic inspection, general . 4.2.3 Inspection procedure. 4.2.3.1 For e md oot as a criterion for filling. kis infomati
11、or, is furnished as 6.4 Decontminatior. Tne filled and closed projectiles may be de- contaminate by wssing through a hot water and detergent spray -fisher or by flushing witin hot water while vigorously scrubbing with steel wool. Additional cleaning of tae burster well may be effected with a steam l
12、ance and a power driven wire brush. Custodians: Preparing activity: Amy - Mu :- .* Air Force - 70 . Arny-MU(EA) . - Review activity: . Air Force - 70 -* . .- .- -. d. . Project No. 1315-066s . I User interest: Navy - MC -. -. j Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
