1、1 INCH-POUND 1 AMENDMENT 9 26 August 2002 SUPERSEDING AMENDMENT 8 i 8 December 1998 MIL-C-70532 (AR) MILITARY SPECTFICATION CARTRIDGE, I05MM, HE, RA, XM9 13 AND XM927 (WITH WARHEAD AND MOTOR BODY) LOADNG, ASSEMBLING AND PACKING I MIL-C-70532(AR) was inactivated after 21 August 1998 for new design. I
2、 This amendment forms a pari of MIL-C-70532 (AR), dated 29 October 1990, and is approved for use by the US. Army Armament, Research, Development, and Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Title: Change “XM913” to “M913” and
3、“XM927” to “M927” and wherever they appear. 2.1. I, Delete “MIL-STD-453” in its entirety and substitute the following: * “ASTM E 1742 - Standard Practice for Radiographic Examination” PAGE 2 2.1.2: Drawings: Change “(See 6.9)” to “(See 6.1 I )” Change “9290990* to “9390990” Dwg. 12624495, add: “PA I
4、 1 I ,” after “assembly” Dwg. 12624496, change: “Ammunition” to “Ammo” Dwg. 12934903, change: “XM912” to “M913” Dwg. 12630699, delete in its entirety. * Add new drawing 12926808 as follows: “12926808 - Projectile, HE, RA, 105MM, M927” AMSC NIA 1 of 12 FSC: 1315 DISTRIBUTION STATEMENT A. Approved for
5、 public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MlL-C-70532 (AR) AMENDMENT 9 Drawing 19-48-423 1/45-20PM 1006, Add: “and” after “Atninunitions” and delete “Cyclindrical” and substitute “Cylindrical” PAGE 3
6、3.1.1, Line 2, Change “operation” to “Operations” 3.2.3, Change “grains” to “grain” two places PAGE 4 3.2.3, Delete in its entirety. 3.2.4, Delete in its entirety. PAGE 5 3.3.5, Changc “thousands” to “thousandths” PAGE 6 Delete Figure 1 and substitute the following new Figure included. PAGE 7 3.6, C
7、apitalize “proving” in title. * 3.6.1.2.1, Add at end: “The short range of projectiles caused by failure of the delay assembly to ignite the rocket motor shall not be included in the RPE calculation.” PAGE a Delete 3.6.1.2.3 in its entirety and substitute: “3.6.1.2.3 M913 cartridge muzzle velocity.
8、The average muzzle velocity for cartridges fired at 70 degree F shall he not less than 643 meters per second (mps) nor greater than 659 mps and the standard deviation shall not exceed 2.44 mps.” 3.6.2.1, Change title from “Pressure” to “M913 cartridge pressure” Add 3.6.2.2 as follows: 3.6.2.2 M927 c
9、artridge messure. The pressure of any individual cartridge, fires at +145 degree F, shall not produce a PIMP greater than 44,800 psi. “ 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70532 (AR) AMENDMENT 9 Provided by IHSNot for ResaleNo rep
10、roduction or networking permitted without license from IHS-,-,-MLL-C-70532 (AR) AMENDMENT 9 PAGE 9 7 ln 5 Dclete in its entirety. Add 3.1 I as follows: “3. I I Delay shear seal push-out force. The force required to push a delay out of a rocket motor after pressing of the shear seal shall be 950 poun
11、ds to 1300 pounds.” PAGE 10 4.3.1, Line 1 1, delete: “Flash reducer, 12630698, i O” in its entirety * 4.3.1, Under “Projectile”, add “/I 2926808” after “938 1 147” Table I, Lines 10, 11 and 12, delete “Flash reducer, (dwg. 12630698), Examinations for defects, 10, 3.2, 4.4.2.18” in its cntircty. Tabl
12、e 1, Change the paragraph reference in note a. from “4.4.2.1” to “4.4.2.2” PAGE 13 4.4.1 fi Delete “up tp Four (4) consecutivcly produccd lots of 4.4.1 h: Delete in its entirety and substitute the following: “h. Delay assemblies from one manufacturer, with constituent chemicals from one lot cach, an
13、d having the same fuel/oxidizer ratio.” 4.4.1 k: Delete “Potassium sulfate from not more than one lot. in its entirety 4.4.lk: Delete j in its entirety and substitute: “j. Shear seals from not more than one lot interix from one manufacturer.” 4.4. I. I, Dclctc “M30 propcllant from not morc than onc
14、lot.” PAGES 15 THRIJ 18 4.4.2.1 - 4.4.2.4, Next Higher Assembly, Add: “/I 2926808” * 4.4.2.3, Delete Major defect 103 in its entirety and substitute the following: “103. Inside diameter of liner after swaging (at threaded area) min. TIT Gage” 4 Provided by IHSNot for ResaleNo reproduction or network
15、ing permitted without license from IHS-,-,-4.4.2. 4.4.2. M IL-C -705 3 2 (AR) AMENDMENT 9 PAGES 19 THRU 25 4.4.2.5 - 4.4.2.7,4.4.2.9 - 4.4.2.1 1, Drawing Number, add : “/12926808” 4.4.2.8, Delete in its entirety. 4.4.2.9, Major 103, delete “3.2.2” and substitute “3.2.3” 4.4.2.1 1, Add Special 1 us f
16、ollows: “1. Weight zone markings, missing or incorrect 100% 3.2 Scale/Visiial” 4.4.2.1 1, Major 107, change from “Test/4.4.3.6/4.5.2” to “Visuall(Witness during assembly) /4.4.3.6” PAGE 27 4.4.2.1 3: Drawing Number, delete “9390990939 1033” and substitute “1 2938083/8595386” Next Higher Assembly, ad
17、d: “9390990/939 1033 PAGE 28 4, Drawing Number, delete “9205472/9382042” and substitute “ 12630699/9205472” 4, Critical defect 1, Add: “/Scale” after “Gage” PAGE 29 4.4.2.15: Drawing Number, delete “939 i 033” and substitute “9390990/9391033” Major 1 O 1, delete “Incorrect sequence or increments (M6
18、7)” and substitute “Incorrect sequence of increments (M67)” Major 102, delete “Foil side of bag, charge 5, not facing primer (M67)” and substitute “Foil side of bag, charge 5, no1 facing primer (M67), if applicable.” PAGE 3 i 4.4.2.17 Majors 1 O 1, 102, 103, Add: “/SMTE” after “Gage” 5 Provided by I
19、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70532 (AR) AMENDMENT 9 Add Major dcfcct 104 and 105 as follows : “104 Evidence of bumps, blisters, pits, splits, delaminations, corrosion, or other dcfccts immediately prior to assembly into motor body 100% 3.
20、1 Visual 105 Failure to meet push-out force requirements 4.4.3.8.3.1 1 Test” PAGES 32 THRU 34 4.4.2.18 - 4.4.2.20, Delete in their cntircty. PAGE 35 4.4.2.21, Delete “1 2630699” and substitute “12624496” PAGE 37 4.4.2.23. Dclctc “I 2934900 and substitute “I 2624496” Add “I 2934900” to “Next Higher A
21、ssembly” Delete Title and substitute: “Packing and Marking of Sealed Fiber Container and Metal Container Components (prior to sealing of Metal Container)” PAGE 38 4.4.2.24: Next Higher Assembly, Delete drawing numbers in their entirety and substitute the fnllowing. “ I2929 1 77/12929 178” Add the fo
22、llowing new major defects as follows: “106 Insufficient fillers for tight pack Lcvcl III 3.1 Visual 107 Filler sizc (min.) Level III 3.1 Gagc 108 Filler not present underneath cloth strap Level III 3. I Visual” Minor defect 202, delete in its entirety arid substitute lhe rdlwving: “202 Evidence of p
23、oor workmanship Level V 3.10 Visual” PAGE 4 1 4.4.3.1.2, Line 6, delete “6. Io” and substitute “6.13” 4.4.3.3, Line 3 thm 8, delete and substitute the following: 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70532 (AR) AMENDMENT 9 * * “Each
24、 assembly shall be subjected to a radiographic examination in a plane that will clearly define all of the Motor Body components.” PAGE 42 4.4.3.4: Line 2, delete “4.5.3” and substitute “4.5.7” Add Critical defect LO3 as follows: “103 Pressure in excess of 44,800 psi (See 3.6.2.2)” Special a, delete
25、“6.15” and substitute “6.14” Major 102, delete in its entirety and suhstilute the following: “I 02 Rocket motor fails to ignite after delay assembly expulsion” Ma-jor defect 103, delete “Muzzle velocity” and substitute “M9 13 cartridge muzzle velocity” Add new Major 104 as follows: “104 Delay assemb
26、ly fails to ignite or expel” 4.4.3.4.1, Change “4.5.8.1” to “4.5.7.1” * 4.4.3.4.1 .I, Delete last sentence in its entirety and substitute the following: “If any critical defect or major defect other than 104 occurs, the lot shall be rejected” PAGE 43 * 4.4.3.4.1.2, Delete second sentence in its enti
27、rety and substitute the following: “If any critical defect or major defect other than 104 occurs, the lot shall be rejected” 4.4.3.4.2.3, Line 6, delete “6.13” and substitute “6.12” * 4.4.3.4.2.3, Delete in its entirety and substitute the following: 4.4.3.4.2.3 Temperature test failures. If major de
28、fect 102 occurs during +I45 degree F safety testing, the lot shall be rejected. If major defect 102 occurs during -50 degree F safety testing, the lot shall be referred to the procuring agency for disposition (see 6.12).” 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without
29、 license from IHS-,-,-ML-C-70532 (AR) AMENDMENT 9 * Add new paragraph 4.4.3.4.4 as follows: “4.4.3.4.4 Failure of delay assembly. If major defect 104 occurs a total of two or more times in the proving ground test (all phases), the lot shall be rejected. If major defect 104 occurs once in the proving
30、 ground test an additional test Tor all phases shall be conducted. The lot shall be rcjectcd if any critical or major defect occurs.” 4.4.3.5, Second sentence, add a “,” after the word “change” PAGE 44 4.4.3.7, Line 12, delete “6. i 1” and substitute “6.16” Add new paragraph 4.4.3.8 as follows: “4.4
31、.3.8 Delay shear seal push-out force aualification test. Prior to assembly of each lot of shear seals into each manufacturers lot interfix of rocket motor bodies, five sample assemblies shall be pressed with the load, dwell, and press tooling to be used in production. Each sample assembly shall be r
32、adiographically inspected in accordance with 4.4.3.3. Each sample delay shall be pressed out, and the force required shall be recorded. If any sample falls outside the allowable rangc, the motor body, seal, load and dwell combination shall not be used in production. Rate of application of test loud
33、shall be .5 inches per minute.” PAGE 48 4.5.2, Line 5, delete “rocket selector cap and the” 4.5.4, Change “4.4.3.6” to “4.4.3.5” 4.5.5, Delete in its entirety PAGE 49 4.5.6,4.5.6.1, 4.5.6.1.1,4.5.6.1.2, Delete in their entirety. 4.5.7, Change “M557” to M739 series” 4.5.7b, Add the followjng: “6. Cha
34、mber pressure (+145 degree firing) 7. Range and deflection of impacts. 8. Rocket motor ignition dclay time.” 4.5.7c, Delete in its entirety. PAGE 50 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ML-C-70532 (AR) AMENDMENT 9 4.5.7.1, Delete in its
35、entirety and substitute the following “4.5.7. I Functionind/precision/muzzle - velocity. Cartridges for this test shall be conditioned at 70 their muzzle velocity corrected for projectile weight and gun tube wear in accordance with the acceptable M913 firing tables. At least three warmedspotter cart
36、ridges shall be fired prior to firing test cartridges. Time lapses of more than 15 minutes between consecutive firings shall not be permitted without firing additional warmer cartridges. The test shall be fired at 700 to 800 MILS QE. Range probable error shall be calculated for the test cartridges.
37、2 Y2 degree F for 16 hours (minimum) prior to testing. The M9 13 test cartridges shall have Two master calibration cartridges shall be fired with each 10, M913 test cartridges with muzzle velocity and chamber pressure recorded for information only.” PAGE 5 I 4.5.7.2, Delete in its entirety and subst
38、itute the following: 4.5.7.2 Safety. Cartridges for this test shall be divided into two equal groups and temperature conditioned for 16 hours (minimum) prior to testing. Group 1 shall be conditioned and fired at - 50 + 5 degrees F. Group 2 shall be conditioned and fired at +145 - 5 degrees F. The tw
39、o groups shall be fired at a convenient elevation selected by the proving ground.” 5.4.1, Change “1904R-4231” to “19-48-4231” PAGE 52 6.3, Line 4, Delete “AMSMC-QAR-I (D)” and substitute “AMSTA-AR-QAA-R” PAGE 53 6.7, Line 23, Delete “43.2” and substitute “4.5.7.2” 6.8, Line 5, Delete “AMSMC-QAR-Q” a
40、nd substitute “AMSTA-AR-QAA-R 6.9.1 Delete in its entirety and substitute the following: “6.9.1 Radiographic film sources. Approved list of film types and vendors for use in radiographing this prqjectile: Eastman Kodak Company 1 187 Ridge Road, West Rochester, NY 14650 Filin Type: AA, T, AX- i, M, M
41、X Agfa Corpor a t ion NDT Systems 100 Challanger Road Ridgefiled Park, NJ 07660 Film Type. Agfa I37 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ML-C-70532 (AR) AMENDMENT 9 Fuji Industrial Radiographic Products Corporate Headquarters 30Nnrth Ave
42、 Larchmont, NY 10538 Film Type : Fuji 100” 6.10 Delete in its entirety and substitute the following: “6.10 Ballistic test moiectiles. All projectile tested by a Government Proving Ground for Ballistic Acceptance Test shall have three markings 120 degrees apart, paintcd at the LAP manufacturing facil
43、ity across the warheadhotor body joint. See Figure 3.” Add new Figure 3 as included page 54a. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I. Marking dia ram for bailistic les ;I projectiles IAaikings are tu be approx. i 20 deorees apari Y/hi!e
44、 cimil ink No. 37875 I M913 M927 I I Projectile, lD5mm 1 i I (.Il“ . _. . I i , I Fiocre 3 NOT TO SCALE /: -1 . I i i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-70532 (AR) AMENDMENT 9 The margins of this amendment are marked with an asteri
45、sk or vertical line to indicate where changes, (additions, modifications, corrections, deletions), from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautio
46、ned to evaluate the requirements of this document based on the entire contcnt irrcspcctivc of thc marginal notations and rclationship to thc last prcvious amendment. Custodian: Aiiiiy - AR Preparing activity: AI iiiy - AR (Project 13 15-027 I) 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
