1、MIL-C-60028C (MU) 4 April 1969 SUPERSEDING 14 November 1966 MIL-C-60028B (MU) .MILITARY SPECIFICATION CARTRIDGE, 81MM, SMOKE, WP, M375 ASSEMBLING, MARKING AND PACKING . 1. SCOPE . 1.1 This specification covers the assembling, marking and packing for one type of smoke cartridge designated as .M375 fo
2、r use with the 81MM Mortar. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issus in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-A-2550 MIL-1-45607 . - Inspection Equipment, Su
3、pply and MIL-P-46568 - Ammunition and Special Weapons; General Specification for Maintenance of Assexbling and Packing - Primer, Percussion, M71AlE1, Loading, STANDARDS 5 MILITARY MIL-STD-105 MIL-STD-109 MIL-STD-331 MIL-STD-1168 MIL-STD-1235 - Sampling Procedures and Tables for Inspection by Attribu
4、tes (ABC-STD-105) - Quality Assurance Terms and Definitions - Fuze and Fuze Components, Environmental and Performance Tests for - Lot Numbering of Ammunition - Single and Multilevel Continuous Sampling Procedures and lables for Inspection by Attributes I Provided by IHSNot for ResaleNo reproduction
5、or networking permitted without license from IHS-,-,-MIL-C-bO028C 13 = 7777706 0334986 L1 m 8835264 - Cartridge, 81m9!, Smoke, KI, 1.1375 w/Fuze, ?2JOi7 - Container, Ammunition, Fiber, 14252A3 PL), N524 for Cartridge 81mt r4374 !E and N375 II in jun1-e wrap Ammunition in Piber Container, M252A3 9230
6、176 - BOX, Packing, Ammunition for 8lFlb? Mortar PU I3 1, I C AT I ON S ARMY ET-8885264 - Equipment Tabulation (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be gbtained from the procuring activity or as
7、directed by the contracting officer.) 3.1 Yaterial .-Materials shall be in accordance with applicable drawinp,s and specifications 3.2 Cartridges.-The cartridge shall comply with all requirements speci.fied on Drawing (dwg) 8885264 and with all requirements specified in applicable specifications. 3.
8、3 Proving ground test.-The cartridge shall comply wit the followine requirements when tested as specified in 4.3.1, 3.3.1 Failure to fire.-The cartridge shall not fail to h fire 3.3.2 Safety.-There shall be no premature burst or indication of metal parts separation in the mortar tube or in flight wh
9、en fired at any charge zone. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-bO028C 13 7777706 033Li787 b - 3.3.3 Impact functioning.-There shall be visible evideflce of functioning upon impact as indicated. by presence of a flash or snoke clou
10、d. The fuze shall be set for super quick function. 3.3.4 ilorizontai range. 3.3.4.1 Ho cartridre sha1.J have a horizontal ranp less 3.3.11.2 The standard deviation in horizontal range shall than 80 percent or the average horizontal range. .be no greater than the maximum lot values shown in Table I f
11、or the increment charge indicated. TABLE I Increment Charge Zone 1 9 Max. lot Standard Deviation (Yet ers ) 20 50 3 . 4 Workmanship 3.4.1 All manufacturing and assembly operations of the cartridge shall be correctly performed in a thorough workmanlike manner. sharp edges, unblended radii, grease, ru
12、st and other foreign material. The Cleaning method shall not be injurious to any of the parts nor shall the parts be contaminated by the Parts shall be free of burrs, chips, dirt, cracks, cleaning agent . 3.4.2 The painting and marking shall be restored by the assembling contractor on .any component
13、s furnished to him painted and marked when such painting and mar?kirig has been marred or obliterated. 3.5 Initial Product;ion Test.-The cartridges shall functi.on satisfactorily in accordance with the requirements of 3.3 after being subjected to the sequence of environmental tests in 4.3.2. 3.6 Str
14、ength of heat weld.-Obturating ring heat weld shall. not break upon application of ten pounds minimum I.oad but shal.1 break upon application of twenty-five pounds maxirfium load when tested :is spcc.i.f Secl in paracraph 4.3 e 3. Provided by IHSNot for ResaleNo reproduction or networking permitted
15、without license from IHS-,-,-MIL-C-60028C 13 9997706 0339788 4 = MIL-C- 6 O O 2 8 C ( TJ ) I 4 . QVALITY ASSUFANCE PROVISIONS 4.1 Resnonsibility for inspection.-Unless otherwPse sr)ccified iri the contract or p.virchase order, the supnlier is respocs%le for the performance of all insnection requirem
16、ents as specified kei-esn. Sxcent as othem:rise specified in the contract or order, the supplier may use his own or any other facilities suitahle for the perforaance of the inspection requireKents snecified herein, unless disapproved by the Government, The Governsierit reserves the right to Derform
17、any of the inspections set forth in the specification where such inspections are deecied necessary 50 assure supplies and services conform to prescribed requirerents. Reference shall be made to Standard !III,-STD-109 in order to = define terms used herein. The provisions of Specification IiTL- A-255
18、0 hnll tjjly 4.1.1 Submission of product,-At the time the completed lot of product is submitted to the Government for acceptance, the contractor shall supply the following information accompanied by a certificate which attests that the information provided is correct and applicable to the product be
19、ing submitted: a. A statement that the lot complies with all of the quality assurance provisions specified within this specification. b. Number of units of product inspected. c. Results obtained, by defect code, for all inspections performed. d. Drawing, specification number and date, toEether with
20、an identification and date of changes. e. Certificates of conf;wmance on all material purchased by the contractor when such material is controlled by Government or commercial specification referenced in any of the contractual documents. The certificate shall be slcned by a resFonsible acent of the c
21、ertifyTnK ormization. The initial certificate submitted shall be substantiated by evidence of the agents authority to bi-rici his principal. Substantiation of the agents authority will not be required with subsequent certificates unless, during the course of the contract, this authority is vested in
22、 another agent of the certifying orgnnizatlon. f. :Tumber of items in the lot. p;. 3ate submitted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-b0028C 13 m 7777706 0334787 T m M T L-c -6 O O 2 8 c ( ) .c 4.2 inspection provisions 4.2,1 Lot f
23、ormation.-The tern “lot“ as used throughout this speci.fication refers to an inspection lot, which is define6 us an essentially homogeneous collection of units of product froin which a representative sample is drawn and inspected 60 determine co.nformance of the lot with applicable reauirements. The
24、 sample selected shall represent only that quantity of units frox which Yne sample was drawn and shall not be constrced to represent any prior or subsequent quantities presented for inspection. Ilornogeneity shall be considered to exist provtcled the lot has been produced by one manufacturer, in one
25、 unchanged process using the same materials and methods, in accordance with the same drawings, same drawing revisions, same specifications specifications, or drawings, not affecting safety, performance interchangeability, or storage, as determined by the Government, shall not be deemed to alter the
26、homogeneity of the lot. In- ,spection lots shall comply with MIL-STD-105. Unless otherwise approved by the contracting officer, the inspection lot size of end Items deliverable under the contract shall be not less than the smallest weekly estimate of quantities contractually scheduled for production
27、 during the contract period nor more than the largest monthly quantity contractually scheduled for delivery during the contract period. Inspection lots of corr.ponents or subassemblies, other than the items of delivery, shall be homogeneous and of a size mutually convenient to both the contractor an
28、d the Government inspector. Lot numbering, as required, shall be in accordance with MIL-STD-1168. Each lot of cartridges shall contain: accordance with the same drawing, same drawing revision, sane specification and specification revision of one loading lot interfix number. fror! one manufacturer ma
29、nufacturer. manufacturer. of propellant, from one manufacturer. facturer. from one manufacturer. interfix nmber, from one manufacturer. nan*Afactux-cr. . and same specification revisions, Changes to the process, a. l!P loaded filling assemblies from one manufacturer in bo Londe ipnition cartridges,
30、of one lot interfix number, c. FLn a,ssemblies, of one lot interfix number, from one . Loaded primers, of ore lot interfix number, from one e. Propellant increment. 8885263 coverinp: a detail of dwp,. 88F5264). CateRorl es Defects Method of Code No, Insnection Critical : 1. WP leakage or evidence of
31、 leakage . . , . . , . . Visual O1001 Major: AQL 0.40 percent 101. Foreign matter in obturating band area, . . , Visual 01002 Minor: AQL 0.65 percent 201. Evidence of poor workmanship . . . . . . . . Visual 01003 4.2.2.2 Adapter, burster casing prior to assembly (see dwg. 9204967 covering a detail o
32、f dwg. 8885264). Cat egories Defects Flethod of Code No, Inspection Critical: None defined. Ma j or : AQL 0.40 percent 101, Width of shoulder, max. . . Gage 02001 diameter with threads . , , Gape 02002 102. Concentricity of inside G Provided by IHSNot for ResaleNo reproduction or networking permitte
33、d without license from IHS-,-,-Minor : 201. 202. 203. 204 . 205 1 206. 207. ZOO. 209. 210 . 211. 212. MIL-C-OOSC (MU) 4 AQL 4.0 percent Pitch diameter of threadsGage Outside diameter of shoulder.Gage Protective coating missing . Visual Depth of wrench slots Gage De3th of wrench slots (alternate slot
34、s) Gage Radius of wrench slots . Gage Width of wrench Slots (alternate slots) Gage Distance between wrench slots Gage Symmetry of wrench slots with pitch diameter. . Gage Total length. . Gage Inside diameter. . Gage (see 3.4) Visual Evidence of poor workmanship 4.2.2.3 Cartridge, after assembly of a
35、dapter burster casing and prior to inserting burster (see dwg. 8885264). Categories Defects Method of Critical: 1. Major: 100 percent inspection . Inspection Burster pad missing Visual 101. Location of adapter from forward face, min Gage Major: AQL 0.65 percent 102. Excessive pettman cement on threa
36、ds.,Visual 103. Foreign matter in burster 104. Adapter loose.,Manual 201. Evidence of poor workmanship cavity bVisual Minor: AQL 0.65 percent (see 3.4) Visual 02003 02004 02005 02006 02008 02007 02009 02010 02011 02012 02013 02014 Code No. 03001 03002 03003 03004 03005 03006 4.2.2.4 Cartridge, prior
37、 to assembly of fuze (see dwg. 8885264). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-60028C (MU) Cat egories Defects Method of Code No. Inspection Critical: None defined. Major: AQL 0.40 percent 04001 101. Rumter charge missing Visual 102
38、. Foreign matter in fuze *, 04002 well . Visual Minor: AQL 0.65 percent 201. Evidence of poor workmanship (see 3.4) Visual 04003 4.2.2.5 Plate, pressure (see dwg. 9218040 covering a detail of dwg. 8885264). Categories Defects Method of Code No. Inspection. Critical: None defined. Major : AQL 1.0 per
39、cent 101. Diameter of counterbore . Gage 11001 11002 102. Outside diameter, min. Gage 103, Total thickness. . Gage 11003 104, Web thickness Gage 11004 105. Concentricity of counterbore with outside diameter. Gage 11005 Minor: AQL 0.65 percent 201. Outside diameter, max. Gage i1006 4.2.2.6 Cartridge
40、(see dwg. 8885264). Categories Defects Method of Code No. Inspection Critical: 1. Primer head above flush with 2. Ignition cartridge missing or 3. Fuze safety wire missing or 5. . Warning label missing or 6. Propellant increments cut, rear face of fin relief . . Straight- EdW 06001 inverted . Visual
41、 00022 insecure . Visual 06004 4. Fin broken or distorted. . Visual 06002 unidentifiable Visual 06003 torn, or missinp . Visual Of,O?3 7. Otsturntinr rinp; missnp, . Vlsual qC027 n - - . I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-60028C
42、 13 W 9999906 033Li993 L - t MIL-C-60028C (MU) Categories Defects Method of Inspection Major: % 101. 102. i03 e i04 b Ma j or : 105 107 i06 108. 109. 110 . 111. 112 . 113. 114 b 115 . 116 . 117 b 100 percent inspection Obturating ring not welded . Visual Primer flash hole blockage (see 4.2.4) Test O
43、bturating ring not flush or below bourrelet diameter . Visual Forward increment holder laose . Manual AQL 1.5 percent Total length, max. Gage Obturating band damaged Visual assembled Visual Any component damaged or incorrectly Fin assembly fails to meet disassembly torque . Test Fuze fails to meet d
44、isassembly torque. Test Pressure plate missing or inverted (prior to assembly of fin to body Thread sealing compound does not cover a minimum of one half the number of male shell body threads for a full 360 degrees (prior to assembly) Visual Thread sealing compound does not cover a minimum of one ha
45、lf the number of male primer threads for a full 360 degrees (prior to assembLy) Visual Primer fails to withstand reapplication of minimum assembly torque . Test Protective bag assembly tape not secured to shell and bag for full 360 degrees Visual Fuze not fully seated Visual Sealing compound head do
46、es not cover crimp on red end of ignition cartridge or mating surface on bottom of ignition cartridge cavity in housing (as applicable) for a full 360 degrees (prior to :nsertion of ignition cartridge into fin cavity) . Visual Sealing compound bead does not cover crimp on yellow end of ignition cart
47、ridge or inside diameter of pressure plate counterbore (as applicable) for a full 360 degrees (prior tc insertion of ignition cartridge into fin cavity) . Visual assembly) Visual Code No. 06029 06030 . 06038 06039 06005 06006 06007 06024 06025 O6016 06020 06021 06015 06036 06017 06031 06032 9 P Prov
48、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-6002C 13 W 97Oh 033Li774 3 MIL-C-6 00 2 8C (MU) Minor: AQL 1.5 perCent 201. Protective coating with total damaged area in excess 202. Marking misleading, missing or unidentifiable, including incorrect
49、 color code Visual 203. Evidence of poor workmanship of 1/4 square inch . . , . , . Visual 06003 06008 (see 3.4). . Visual 06010 4,2.2.7 Unsealed fiber container . Categories Defects (see dwg. 9230175) Code No. Method of Inspection Critical: None defined. Ma j or : AQL 0.65 percent 101, Packing stop missing Visual 07001 102. Filler disc assembly missing . . Visual 07002 103. Desiccant bag miss
