1、MIL-C-48135 13 m 77777Ob D31652b 1 S-37-w MIL-C-h8135(MU) 12 February 1973 MILITARY SPECIFICATION CARTRIDGE, 105MM, HE M1, (MOD) LOADING, ASSEMBLING AND PACKING 1. SCOPE 1.1 This document covers the loading, assembling and packing for one type of HE Cartridge designated as M1 for use with the 105MM
2、Howitzer Mi37. 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 MILITARY MIL-A-2550 -Ammunition and Special Weapons, General Specificatio
3、n for MIL-C-45662 -Calibration System Requirements MIL-P-46565 Loading, Assembling and Packing -Primer Percussion, M28A2 and M28B2, STANDARDS MILITARY MIL-STD-105 -Sampling Procedures and Tables for MIL-STD-109 -Quality Assurance Terms and Definitions MIL-STD-414 -Sampling Procedures and Tables for
4、Inspection by Variables for Percent Defective MIL-STD-453 -Inspection, Radiographic MIL-STD-1168 -Lot Numbering of Ammunition MIL-STD-1235 -Single and Multievel Continuous Inspection by Attributes (ABC-STD-105) -+. Sampling Procedures and Tables for Inspection by Attributes DRAWINGS ARMY 9276004 -Pa
5、cking and Marking for Container, Ammo Fiber PA-71, For 105MM How. Ammunition with Fuze (USAF Use Only) Licensed by Information Handling ServicesMIL- c - 4 8 1 3 5(lfl 9276005 -ContaTner, Ammo, Fiber PA-71 For 105MM How. Ammo W/Fuze (USAF Use Only) 9277353 -Packing and Marking .for Box, Pallet Type,
6、Wirebound for 105MM How. Ammo W/Fuze (USAF Use Only) 9278402 -Box, Pallet Type, Wirebound, Packing, Ammo For 105MM W/Fuze (USAF Use Only) 9278792 -Cartridge 105MM: HE, M1 (MOD) PUBLICATIONS ARMY ET-927 879 2-Equipment. Tabulation (Copies of specifications, standards, drawings and publications requir
7、ed- by contractors in connection with specific procurement functions should be obtained from the procuring activity or as dzrected by. the contracting- offLcer.) 3. REQUIREMENTS ?(.i Matepi or Composit.ion B of the same gilade from one lot interfix number from one manufacturer which contains TNT fro
8、m not more than one lot. interfix number from one manufacturer. manufacturer. from one manufacturer h, Loaded projectile of same weight zone. 4.2.2 Examination.-Inspection for Critical defects shall be 100 percent. Sampling plans and procedures for Major and Minor defects shall be in accordance with
9、 MIL-STD-105 except that continuous sampling plans in accordance with Standard MIL-STD-1235 may be used if approved by the procuring activity. Also, at the option of the procuring activity, AQLs and sampling plans may be applied to individual characteristics listed using an AQL of 0.65 percent for e
10、ach Minor defect and an AQL of 0.40 percent for each Major defect except where 100 percent inspection is specified. Equipment necessary for the performance of the Inspections listed shall be in accordance with 4.2.4. 4.2.2.1 Projectile loading assembly, prior to loading explosive (see dwg. 9211610 o
11、r 9278812 covering a detail of dw. 9278792) Categories Defects Method Of Inspection Critical: 1. Foreign matter in charge cavity . Visual 2. Unsolidified.poo1 of paint in bottom of cavity . .Vtsual Licensed by Information Handling Services7 Licensed by Information Handling ServicesCritical: 1. Pad o
12、n supplementary charge missing . Visual 2. Supplementary charge missing Visual 3. Projectile zone weight incorrect by two or more zones. Balance Special 100 percent inspection (see 6.2) - Explosive on exterior of Ma j or : 101. 102. Minor : 201. 202. 203. 204. 205. 206. projectile . Visual AQL 0.40
13、percent Projectile zone weight incorrect by one zone Balance Supplementary charge inverted.Visual AQL 2.5 percent Supplementary charge damaged (applicable Spacer missing or damaged (when Rotating band damaged . Visual Protective coating with total damaged area in excess of 1/4 square inch.Visual Mar
14、king missing, misleading or un- identifiable (when applicable). .Visual Evidence of poor workmanship (see 3.5)Visual to deep cavity) . Visual applicable) . Visual 4.2.2.5 Primer, prior to assembly to case (see dwg. 8838130 covering a detail of dwg. 9278792). Licensed by Information Handling Services
15、NIL-C-48135 13 9999906 031653Y O MIL-C-48135 (MU) Major: AQL 0.40 percent. 101. Primer missing or damaged . .Visual Minor: AQL 1.0 percent 201. Foreign matter in interior of case.Visual 202, Evidence of poor workmanship (see 3.5).Visual 4.2.2.7 Propelling charge, prior to assembly to cartridge case
16、(see dwg. 9276669 covering a detail of dwg. 9278792. Categories Defects Method Of Inspection Critical: Major: AQL O .40 percent 101. Any opening in bag large enough to permit escape of propellant Visual Minor: AQL 0.65 percent 201. Evidence of poor workmanship. Visual 4.2.2.8 Cartridge Case with pro
17、pellant charge prior to assembling to projectile (see dwg. 754809 or 7549025 Covering a detail of dwg. 9278792). Categories Defects Method Of Inspect i on Critical: None defined Major: AQL O .40 percent 101. Foil side of bag not facing primer. . .Visual Minor: None defined 4.2.2.9 Cartridge assembly
18、 (see dwg. 9278792). Categories Defects Method Of Inspect ion Critical: Major: AQL O .65 percent 1. Primer above flush .Gage CD 101. Torque test failure of plug or fuze 8Test CD 103 Fuze not fully seated,.,Visual 102. Any component missing *.Visual 9 Licensed by Information Handling ServicesMIL-C- 4
19、8 13 5( MJ) Minor: AQL 1.5 percent 201. Exterior coating of shell with an aggregate of bare spots in excess or missing including incorrect color of 1/4 square inch. Visual (except zone weight) . Visual 203. Plug not fully seated Visual 202. Marking misleading, unidentifiable 204. Evidence of poor wo
20、rkmanship (see 3.5).Visual 4.2.2.10 Unsealed fiber container (see dwg. 9276004 and 9276005). Categories Defects Method Of Inspection Critical: None defined Major: AQL 0.40 percent 101. Packing component missing Visual Minor: AQL 1.5 percent 201. Cartridge cannot be removed by hand,.Manual 202. Conta
21、iner cap cannot be removed by hand. Manual 203. Glue or asphalt on cartridge . Visual assembled Visual 204* Packing components improperly 4.2.2.11 Sealed fiber container (see dwg. 9276004 and 92760051 Categories Defects Method Of Inspection Critical: None defined Maj or : AQL 0.65 percent 101. Conta
22、iner cut or damaged through all asphalt impregnated layers . Visual-Manual 102. Metal end loose or distorted. Visual-Manual 103. Tape incomplete or badly wrinkled. . Visual Minor : AQL 2.5 percent 201. Tear tab length, min . Gage 202. Contents loose . Manual 203. Gap between cover and body container
23、 204. Cuts, scuffs or gouges in outer layers.Visua1 205, Marking misleading, missing or unidentifiable . Visual exceeding 1/8 inch,., Visual Licensed by Information Handling ServicesMIL-C-48135 13 7779706 03Lb53b 4 m 4.2.2.12 Sealed pallet type wirebound (see dwg. 9278402 and 9277353) Cat egorie s D
24、efects Method Of Inspection Critical: None defined Major: AQL 0.65 percent 101. Box damaged exposing contents . Visual 102. Hardware or strapping missing, broken 103. DOD symbol missing or incorrect . Visual 104. Board broken Visual or loose Visual-Manual Minor : AQL 1.5 percent 201. Strapping or ha
25、rdware improperly assembled, Visual-Manual 202. Handle missing or insecure Visual-Manual improperly positioned . Visual 203. Car seal missing, unsealed or 204. Marking misleading, missing or un- identifiable ,.Vi sua1 4.2.3 Testing 4.2.3.1 Check test for possible deterioration of primer, Percussion,
26、 M28, (see specification IflIL-P-46565)-If the total elapsed time between original acceptance of the M28 primer lot and the assembly of that lot into complete round cartridges exceeds two years, or if the M28 primers have been subjected to adverse conditions, however brief, at any time since previou
27、s tests, the applicable lot shall be subjected to and must satisfactorily pass the check test for deterioration specified in MIL-P-46565 immediately before the M28 primer lot is assembled into the cartridges. The test shall be performed by the contractor on assemblies selected by the Government insp
28、ector at the facility assembling the complete cartridges (see 6.4). shall be radiographed 100 percent and any projectile which fails to meet the requirements shall be classed defective and removed from the lot. 4.2.3.2 Cavitation (see 3.3 except 3.3.2)-The projectiles 4.2.3.3 Caked explosive in thre
29、ads (see dwg. 9211610) Minor defect.-The sampling plan for this defect shall be a CSP-2 plan in accordance with MIL-STD-1235 with an AQL of 0.65 percent, inspection level II. The projectile shall be inspected visually for this defect prior to assembly of the liner. 11 Licensed by Information Handlin
30、g ServicesMIL-C-48135(MU) 4.2.3.4 Liner removable by hand (see dwg. 9211610 or 9278812) Minor defect.-The sampling plan for this defect shall be a CSP-2 plan in accordance with MIL-STD-1235 with an AQL of 0.65 percent, inspection level II. The projectile shall be inspected manually for this defect.
31、The sampling plan for this defect shall be CSP-2 plan in accordance with MIL-STD-1235 with an AQL of 0.65 percent, inspection level II, 4.23.6 Profile and Alignment (see dwg. 9278792)-Major defect. The cartridge, including those which had the bourrelet repainted shall be gaged 100 pereent for profil
32、e and alignment. Any cartridge which fails to comply with the applicable require- ment shall be classed defective and removed from the lot. 4.2.3.5 Fuze and Plug not fully seated (see dwg. 9276632).- 4.2.3.7 Bullet pull (see dwg. 9278792).-The sampling plan for this test shall be in accordance with
33、MIL-STD-414, Section B, Part I, Table B1, Code Letter F, and AQL of 1.5 percent. CD 4.2.3.8 Proving ground.(See 6.5). 4.2.3.8.1 Muzzle veloofty see 3.4.1 Major defeet 4.2.3.8.1.1 Beginning with the first lot produced and coninuing until three consecutive lots have complied with the applicable requir
34、ements specified, the sampling plan shall be in accordance with Standard MIL-STD-414, Section B, Table B-3, Code Letter I and AQL 1.0 percent. In addition, if the standard deviation of the muzzle velocity multiplied by the factor 0.75 exceeds the applicable lot requirement, the lot shall be rejected
35、. 4.2.3.8.1.2 After the three consecutive lots have met the criteria of 4.2.3.8.1.1, the sampling plan shall be in accordance with Standard MIL-STD-414, Section B, Table B-3, Code letter F and AQL of 1.0 percent. In addition, if the standard deviation of the muzzle velocity multiplied by the factor
36、0.65 exceeds the applicable lot requirement, the lot shall be rejected, 4.2.3.8.2 Premature bursts and security of parts (see 3.4.4) Critical defect.-If any of the sample projectiles used in any of the tests fail to comply with the applicable requirements, the lot shall be rejected. 4.2.3.8.3 Safety
37、. (see 3.4.3) - Critical defect. Licensed by Information Handling ServicesMIL-C-48135 (MU) 4.2.3.8.3,l Beginning with the first lot produced and continuing until three consecutive lots have complied with the applicable requirements, fifteen saniple cartridges shall be randomly selected from each lot
38、 for this test. If any projectile fails to comply with the requirements, the lot shall be rejected. 4.2.3.8.3.2 After three consecutive lots have met the criteria of 4.2.3.8.3.1, five sample cartridges shall be randomly selected from each lot for this test. If any projectile fails to comply with the
39、 requirements, the lot shall be rejected. 4.2.4 The inspection equipment required to perform the examinations and tests prescribed in this section is identiffed under the “Method of Inspection“ headings in 4.2,2 and 4.2.3 or in ET-9278792 (see 6.3). 4.2.4.1 Inspection Equipment Capability and Accura
40、cy.-All inspection equipment and facilities shall be of adequate quality and quantity to perform properly and accurately all the required inspections, measurements and tests. The inspection equipment shall be maintained in satisfactory condition for the continued proper performance of these function
41、s and shall be calibrated fn accordance with the provisions of MIL-C-45662. 4.2.4.2 Government Rights to Documentation,-Inspection equipment drawings and lists provided and revised in accordance with the requirements may be used by DOD activities for design, procurement, manufacture, testing, evalua
42、tion, production and receiving inspection, overhaul, shipping, storage, identifica- tion Qf stock, maintenance of equipment, construction, survey and whenever inspection equipment drawings are needed. 4.3 Test Methods and Procedures 4.3.1 Determination of Cavities.-The sample projectiles shall be su
43、bjected to radiographic examination, The radio- graphic beam shall be located in a plane which isperpendicular to the longitudinal axis of the projectile and tangent t,o the base of its internal cavity. The outline of the explosive charge shall be clearly defined at all points. Examination of the ra
44、diograph shall be made to determine compliance with applicable requirements. No images of lead masks, containers, fixtures, identifying marks, or other extraneous features should project into the region of explosive under inspection, with the exception of specified penetrameters and radiation screen
45、ing required to reduce film densities to readable levels in the thinner areas of the shell. Such screening should be free of any radiographically 13 Licensed by Information Handling ServicesMIL- C- 4 8 1 3 5 (MU) observable features in the projected area under inspection. Radiographic equipment, ope
46、rations and procedures shall be qualified in accordance with MIL-STD-453 (see 6.8). In addition the sensitivity of the radiographic technique shall be 2.0 percent and the minimum photographic density of the film used shall be no less than 1.25 at every point within the projected area of explosive, i
47、ncluding the base and rotating band area, with the maximum density no greater than to permit adequate inspection over the entire area of interest, as determined in accordance with 4.3.1.1 and 4.3.1.2. In the event an original radiograph leaves doubt as to its acceptability, the projectile shall be r
48、eradiographed 90 degrees from the original exposure. Acceptability shall be determined on the basis of the film giving the largest projected area of defect. Check of sensitivity of radiographic technique. The sensitivity of radiographic technique shall be determined by means of penetrameters fabrica
49、ted as specified herein. The penetrameters shall be placed on the radiographic source side of the projectile so that the 2T holes are at the points shown in Figure 2. Three penetrameters for each projectile shall be used. frequency of sensitivity check shall be no less than one in each fifty radiographs and on a rotating ring, the penetrameters shall be used at two stations for each complete rotation of the ring. The sensitivity of the radiographic technique shall be considered satisfactory when the image of the pentrameters, including the 2T holes, are sharply defined on th
