1、MIL-P-4b55 (3) 10 W 99999Ob 0474497 9 W I INCH-POUND I MIL-P-48655 (AR) AMENDMENT 3 12 APRIL 1991 SUPERSEDING AMENDMENT 2 14 SEPTEMBER 1990 MILITARY SPECIFICATION PISTOL, SEMIAUTOMATIC, 9MM: M9 This Amendment forms a part of MIL-P-48655(AR), dated 19 December 1987, and is approved for use by the US
2、Army Armament, Munitions and Chemical Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 2.1.1: Delete “MIL-1-6866 - Inspection, Penetrant, Method of“. I PAGE 2 2.1.1: Add “MIL-STD-1189 - Standard Department of Defense Bar 2.1.2: Add IB12913067 - Ga
3、ge, Spanner“. Code SymbologyBr PAGE 6 * 3.4.1, line 2: Delete “1.930 cm (.760 inches)“ and substitute “1.938 cm (.763 inches)“ 3.4.2, line 2: Delete “4.50 KG (9.9 lbs.)“ and substitute “4.00 KG (8.82 lbs.)“. PAGE 8 TABLE I., Delete “Receiver, broken or cracked“ and substitute IReceiver, broken or cr
4、acked - 5/“. TABLE I., Delete “Slide, broken or cracked“ and substitute “Slide, bfoken or cracked - 5/“. TABLE I., Delete “Barrel, broken or cracked1# and substitute “Barrel, broken or cracker - 5/“. TABLE I., under llReliabilityll column: Delete ii1211 and substitute “12 - 4/“. AMSC N/A 1 of 6 FSC
5、1005 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-48655 (3) LO 9999906 0474498 O MIL-P-48655(AR) AMENDMENT 3 PAGE 9 - TABLE I., Add t-he following after foo
6、tnote 3/: 114/ For the total sample of 3 pistols, no more than 6 of the allowed malfunctions shall be attributable to any one type of malfunctions of any one type (e.g. failure-to-feed) shall be allowed on any one of the test pistols. would be acceptable with 6 failures-to-eject only if no more than
7、 4 of those failures occur on any one pistol. failures-to-eject on any one pistol. ;p failure (e.g. failure-to-feed). Further, no more than 4 For example, a lot Seven * failure-to-eject malfunctions would fail a lot, as would five - 5/ (corrected to 20/2O, if required).“ Breaks or cracks must be vis
8、ible to the unaided eye Add as new paragraph 3.4.8.1: “3.4.8.1 Slide capture mechanism function. At the conclusion of the reliability test, the slide caDture mechanism shall be capable of preventing the-rear half of a slide, which has been cut in half at the locking block slots, from separating from
9、 the pistol when one round of M882 ammunition is fired. II Add as new paragraph 3.5.1: “3.5.1 Bar code marking. a. The bar code label shall be firmly affixed to the pistol receiver in the position specified on the applicable drawing, the bar coding shall be clearly defined and the number on the labe
10、l shall agree with the serial number stamped on the receiver b. The bar code label shall be readable in accordance with MIL-STD-1189. II PAGE 12 4.5.2.1, line 3: Delete “4.5.3.1 and 4.5.3.2. II and substitute “4.5.3.1 and 4.5.3.2 except as noted in individual paragraphs below. II PAGE 13 4.5.2.1.19,
11、 add as new subparagraph c.: !IC. Visually examine the receiver to determine compliance with the bar code requirements of 3.5.l.a.“ 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48655 (3) 10 9999906 0474499 2 MIL-P-48655(AR) AMENDMENT 3 PAG
12、E 14 0 4.5.2.1.21: Add at the end of the paragraph: “This may be accomplished prior to testing per 4.5.3.1 and 4.5.3.2 provided that the rear sight is not repositioned after this inspection.“ 4.5.2.1.22: Add at the end of the paragraph “This may be performed prior to testing per 4.5.3.1 and 4.5.3.2.
13、“ 4.5.2.1.23: Add at the end of the paragraph “This may be performed prior to testing per 4.5.3.1 and 4.5.3.2.“ Add as new paragraph 4.5.2.1.24: “4.5.2.1.24 Hammer pin/slide enqagement. Gage the minimum engagement between the hammer pin head and the slide slot for _ compliance with drawing 9346415 u
14、sing inspection equipment per drawing 12913067. This inspection shall be performed with the slide locked in the rearward position by the slide I PAGE 17 4.5.3.5: Delete “Reliability testing“ and substitute “Reliability and slide capture testing1. 4.5.3.5.1: Delete in its entirety and substitute: “4.
15、5.3.5.1 Lot size. The reliability and slide capture The first five reliability test lots test lot is the same lot and is hereafter referred to as the reliability test lot. shall each consist of 500 pistols or a months production, whichever is smaller. When five successive lots meet the reliability a
16、nd slide capture requirements, the lot size shall be increased to 3,000 pistols or a months production, whichever is smaller. When five successive lots of the increased lot size have met the reliability and slide capture requirements, the lot size shall be further increased to 6,000 pistols or a mon
17、ths production, whichever is smaller. if rejection of a lot occurs at any time, the next smaller test lot size criteria shall be reinstated and the above procedures repeated i,n returning to the larger lot size. the reliability lot sizes must be approved by the government representative. Ir O All ch
18、anges to 4.5.3.5.2: Delete in its entirety and substitute: “4.5.3.5.2 Procedure. Three (3) pistols and thirty magazines selected by the Government representative from each reliability lot shall be tested by the contractor for reliability and slide capture using the test method specified in 4.6.8. Pi
19、stols selected for reliability testing shall have 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-48655 (3) LO 9999906 0474500 5 MIL-P-48655 (AR) AMENDMENT 3 been found satisfactory in all other individual examinations (4.5.2.1) and tests (4.
20、5.3.1 and 4.5.3.2), and shall have been examined with the unaided (see TABLE I, footnote 5) eye (after disassembly of the slide assembly and removing the magazine and the left and right grips) to establish a visual inspection baseline describing visible characteristics such as tool marks or machinin
21、g imperfections. Failure of the pistols to meet the requirements in 3.4.8 and 3.4.8.1 shall be cause for rejection of the representative lot. If the lot is rejected, the contractor shall conduct a thorough failure analysis to determine the cause of failure and shall effect the necessary corrective a
22、ction on all pistols of the lot and, as necessary, parts/subassemblies in-process. Following these actions, and if authorized by the procuring agency, the reconditioned lot may be resubmitted for the reliability and slide capture test. Sample size and test methods for reconditioned lots shall be the
23、 same as for new lots.“ PAGE 18 4.5.3.9, Change paragraph number from “4.5.3 .911 to “4.5.3 .lo“. Add as new paragraph 4.5.3.9: “4.5.3.9 Bar code readability. A readability test shall be performed on the bar codes on a sample of pistols randomly selected from each lot to determine compliance with 3.
24、5.1.b. Sampling shall be in accordance with Inspection Level I of MIL- STD-105. Test methods and inspection criteria shall be as specified in Appendix A of MIL-STD-1189 using a government approved wand type scanner in both the visible light spectrum (633 MI) and the near-infrared spectrum (800 nm).
25、Failure of the sample to meet the acceptance criteria shall result in rejection of the lot.“ PAGE 20 4.6.4, line 2: Delete 11(9346444)11 and substitute 11(9346488)11. PAGE 21 4.6.7.1, Group I: Delete “Spring, magazine catch (9346475)“ and substitute “Spring, magazine catch (9346491)“. PAGE 22 4.6.7.
26、1, Group IV: Delete “Slide (9346444) and substitute “Slide 4.6.7.1, Group VI: Delete “Grip, left (9346450) and substitute ( 9 346488 ) II. Grip, left (9346489) II. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-4b55 (3) LO 9999906 0474501 7
27、W MIL-P-48655(=) AMENDMENT 3 PAGE 23 o 4.6.7.1, Group X: Delete llPin, hammer (9346462)“ and substitute “Pin, hammer (9346490). 4.6.8: Delete llReliability test“ and substitute llReliability and slide capture test“. 4.6.8.4: Delete in its entirety and and substitute: “4.6.8.4 Inspection. Upon comple
28、tion of the reliability test, the barrel, slide and receiver shall be visually inspected with the unaided (see TABLE I, footnote 5) eye and compared with the visual inspection baselines established per 4.5.3.5.2 to determine their compliance with TABLE I. Visual inspection shall be in accordance wit
29、h the provisions of MIL-W-63150. I PAGE 24 Add as new paragraph 4.6.8.5: “4.6.8.5 Slide capture test. Upon completion of the reliability testinq and enduKance inspection in accordance with 4.6.8.4, the reliability pistols shall be tested for function of the slide capture mechanism (see 3.4.8.1). The
30、 slide from each of the three pistols shall be completely cut in half in the forward area of the locking block slot. Each pistol shall be fully assembled with the exception of the recoil spring and recoil spring guide. One M882 cartridge shall be inserted in the chamber and the severed halves of the
31、 slide shall be positioned on the pistol in the normal firing position. The pistol shall be fired. The firing shall be accomplished with the pistol held in a test fixture which allows firing from a safe position in the event that the slide separates from the pistol. upon approval of the government r
32、epresentative, the reliability/slide capture weapons shall be scrapped.11 4.6.9.1, line 15: Delete “After the 1,000 rounds have been fired on each pistol, the pistol shall be cleaned and subjected to magnetic particle inspection (slide and barrel) and dye penetrant inspection (receiver).11 and subst
33、itute “After the 1,000 rounds have been fired through each pistol, each pistol shall be cleaned and visually examined in accordance with 4 6.8.4. I 4.6.9.2, line 16: Delete “After the 2,000 rounds have been fired on each pistol, the pistol shall be cleaned and subjected to magnetic particle inspecti
34、on (slide andbarrel) and dye penetrant inspection (receiver).“ and substitute “After the 2,000 rounds have been fired through each pistol, each pistol 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-44655 (3) LO W 999990b 0474502 9 W MIL-P-48
35、655(AR) AMENDMENT 3 shall be cleaned and visually examined in accordance with 4.6.8.4. II PAGE 26 6.2, add as new subparagraph m.: “m. Bar coding requirements. II NOTE: The margins of this amendment are marked with asterisks to indicate where changes (additions, modifications, corrections, deletions
36、) from the previous amendment was 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 cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Czxs todian : Army-AR Preparing activity: Army-AR (Project 1005-A754) 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
