1、(See 6.5) MILITARY SPECIFICATION PROJECTILE, 155MM,. HE: M449A1, HARDWARE PE3 1, SCOPE 2.1 This specification covers the hardware for use with Projectile, 155MM, HE: M449A1. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or requeshfor propos
2、al form a part of this specifiction to the extent specified herein: SPECIFICATIONS . -MILITARY MIL-A-2550 - MIL-1-45607 - S.TANDARDS MILITARY Ammunition and Special Weappns, General Specifi- cation for” . Inspection Equipment, Ac qu5 s it i on, Ma ht enanc e and Disposition of I FSC: 1320 I I l Prov
3、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMERICAN SOCIETY FOR TESTING AND MATERIALS - Tension Testing of Metallic Materials ASTM E 10-66 - Brinell
4、Hardness of ASTM E 18-67 - Rockwell Hardness l Plate, offset (see dwg. B-887953,). , Categories Defects Method of Code No Critical: Kone defined Major : ACspection frequency providing he presents objective evidence $0 bile Contracting Officer to substantiate the request, Further, that portion cf pro
5、duction The contractor may request a change of *- 3r deTect 2ach heat- - c uuLLJlllcll I, 4;3.3.3 -,. Hardness - of groove pin (See Dwg. B-8875851 YS ldjor de- J3-L - 1 - UV pu snau De selected )te 1) after completion of the lec (c;oae No. lWOOl),-Tweni5$ (20) gr-o- -.- - -.-, * L from each heat tre
6、atment batch (See No heat treatment process and subjected to this test. If one components fail to comply with the specified hardness requi on the applicable drawing, the quantity represented by the component shall be rejected. The test shall be performed a fied in 4.4.2 using equipmentaSeordingto 4.
7、3.4. or more .remen t failing s speci- . . . . . *.*., Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. ._ 1-p-50537 13 = 9Ob 0328093 1 - - - - _ MIL-P-50537 (MU) NOT3 1 - A heat-treatment batch shall be defined as Parts that have keen heat treated
8、at the same time in the. same furnace and quench bath for each of all phases of the entire heat-treatment prccess. Xajcr defect (Code No. 100011.-One (1) forwar plate shall be selecce Trem each lot of five hundred (SOO) forward plates or pcrtion thereof, and an additional forward plate selected fcr
9、each adaitional quantity of five hundred (SOO) forward plates. II“ mg forward plate fails to comply with the mechanical properties (yisld strength, tensile strength and percentage of elongation), requirements specified, the lot shall be rejected. The test shall be rerformed as specified in 4.4.3usin
10、g equipment in accordance :*liti? 1:. 3 .IC. 2.3.3.Il Tension tes% of forward plate (See Dwg. D-8875852 ), “3.4 Inspection equipment.-Equipment Tabulation (ET) number 8875880 and Equipment Lists (ELis) referenced theron identify the inspxtion equipment required to perorm the examinations and tests p
11、rescribed in this ssction. The contractor shall design inspection equipmnt in accordance with the instructions in 6.3, Supply and mairitenance of the euuipment listed on the ELIS shall be in accordance with LIIL-I-o, drawings and lists provid requirements of this spec design, procurement , xanu rece
12、iving inspection, ove of SZGCk, ordering and sto items at overhaul, general swvey, and whenever inspec 4.3.4.1 Government rights to documentation, .- Y , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t i- . MIL-P-o 13 m qwqqob 03274 3 m - NIL-P-505
13、37 (MU) 4.4 Test methods and procedures. 4.4.1 hardness test in accordance with ASTM E! 10-66. jected to the hardness test in accordance with ASTM E 18-67, is a destructive test, the lot. Hardness of cap.-The caps sh?ll. be subjected to the Hardness of groove pin.-The groove ptns shall be sub- This
14、4.4.2 Parts SO tested shall not be returned to 4.4.3 Tension test of forward plate,-The forward plate shall be subjected CO the tension Xest in accFdance with ASTM E 8-68 to determine its mechanical properties (yield strength, tensile strength, and percentage of elongation), Tension test of support
15、plate.-The support pla5e shall be subjected to the tenston test in accordance with ASTM E 8-68 to determine its mechanical properties (yield strength, tensile strength, and percentage of elongation). 4.4.4 5. PREPARATION FOR DELVERY 5.1 Preservation and packaging. 5.1.1 5.2 Packing , 5.2.1 5.3 5.4 L
16、evel C,-The hardware shall be preserved and packaged as specified in MIT, -STD-i169, Level C,-The hardware, preserved and packaged as speci- fied in 5.1.11 be packed as specified in MIL-STD-1169, Narking.-larking of the cartons shall comply with Shipping.-When components from more than one lot are s
17、hipped as a carload, each lot shall be kept separate, and the division between lots clearly indicated to prevent mLxing of the lots in transit. .- MIL-STD- 6. NOTES a. b. c. Title, number and date of this specification, Data cards shall be prepared for each lot in accor- Provisions for subm5ssion of
18、 first article samples, dance with the inforination specLfied in Standard MIL-STD-1167, 14 - . . . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- -.- 14IL-F-50537 (IW ) 6.2 Inspection code numbers -The f ive-digit cose numbers assigned to the ins
19、pec-i;io-ns herein are to facilitate fgture data collection and analysis by the Government. These code nu.mbers are also used to correlate the characteristics cited oc Equipment Lists with the inspections listed in this specification, These code numbers shall be listed on drawings of equiprnent desi
20、gns - submitted by the contractr (see 6.3.5). inspection-equipment as required by the referenced Equipment Lists (EL) in accordance with the instructions of paragraphs 6.3.1 through 6.3.5. abilit 103.0) the numbers of drawings or Federal Stock numbers of existing equipment designs, or codes as indic
21、ated in paragraph 6.3.2. Design action required of the contractor is described in paragrzphs 6.3.3 and 6.3.4. drawings in accordance with 6.3.4 for all the equipment coded as These contractor designs must be approved by the Government prior to fabrication or procuring of the equipment. as specified
22、in 6.3.5, defined in 6.3.3 and 6.3.4 will be designated irt the EL by the following codes : CD - Contractor design on controlled ccc%ractor M - Army design, manatory for use, 6.3 Inspection equipment.-The contractor shall design 6.3.1 Equipment lists -Equipment lists indicate the avail- of inspectio
23、n equipment designs by shor.;ing in the “Part Number $: colunrn of the list of inspection equipment (Form SMUPA The contractor will be required o prepare detailed Contractor Design“ in the “Part Number“ colurnn. II Designs shall be sQbmitted Tor approval 6.3.2 Equipment list codes,-The inspection eq
24、u5preR-t as format and/or commercial equipment. 6.3.3 Army designs,-Army designs are reflected on detailed drawings which complxy depict all the information necessary for the fabrication of the item of inspection equipment. The con- tracter need provide no design when an Army design is listed for an
25、 item of inspection equipment. f icaticns: Army designs fall into txo basic classi- Mandatory (designated “MU“) and- non-msndatory (indicated 15 - . . “ - - - . - - I. - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-P-50537 13 m 7777706 03280
26、76 7 I Dy dralxing or Feieral Stock Number). references mandatory A:my Designs, the contractor shall comply with, ana use these designs accordingly, in cocnection with nonNmandatory designs, with the approval of the Government, design alternate inspection equipment to lac ilitate his oserations. coi
27、x;erc ia1 equipment selections must be approved by the Government prior to fabrication or procuring of the e uiprnent. Designs shall be sumitted for approval as specified in 2.3.5. When an equipment list The contractor may, however, Such contractor-prepared designs (see 6.3.4) or .3.4 Contractor des
28、igns.-Contractor designs are designs of inspection ezuipi?en,t for wnich the Government has assigned design responsibility to the contractor. ported. by detailed drawings whichdepict all information necessary to cmpletely fabricate, calibrate and operate an item of inspection equip:lie.it. materials
29、, finishes, notes and operating and calibration instructions be prc-perly depicted in accordance with approved practices to the extent that further calculation or clarification will not be required, Unless otherwise specified, contractor designs may be developed on the forrnat the contractor normall
30、y employs in his equipment design procedure provided such fornat reflects the detail and information specified above, subject to the following controls: All submitted contractor designs shall conform to Specification MIL-D-1000, Category 2, Fcrm 3. makbg of clearly understandable, high-contrast repr
31、oductions, Contractors shall submit thee copies of final designs as a flat set. Designs shall be su.bmitted for approval as specified in 6.3.5. Contractor designs shall be sup- This requires that the necessary view, dimensions, Legibility and reproducibility shall permit conventional 5.3.5 Sukmissio
32、n of contractor design.uAl1 submitted designs shall contain a reference to the applicable 5-digit code number contained in Section 4 of this specification and the appropriate cornponefit or assembly drawing number and revision letter to which the specific design applies. all designs of equipment for
33、 inspection of defects classified as critical and major shall be submitted for approval to the Commanding Officer, Picatinay Arsenal, ATTN: SMUPA-.QA-A-S .All other designs of inspection equipment shall be approved by the inspection element of the agency administering the contract. by the contractin
34、g officer. designs is permissible and encouraged, completion date for design yeview will be based on the date of the final submissim of designs. Picatinny Arsenal design review will be accoxplishea, normally, within one month after receipt. Unless otherwise specified on the EL, Submission shall be a
35、s directed Partial submission of inspection equipnent However, the Arsenal 16 . . i: . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . HIL-?- 5 0537 (fim) 2nd tests. examinations -Unless otnerruise speciiied by the Ccntracting 6*4 Of r.esuatS
36、 Of COntractoi-conducted ccntractor shall forward requested records of tess to Comqanding Officer, Picatinny Arsenal, ATTi”T: smpA-c)A-A,s. 5 $“oersessi(2n data. -This specification includes the requirsenLs of, ana supersedes, Purchase Specification AEI-206 B, dated 28 JuRe 1968. Custoian: Ai-my-lvlU Project No: 1320- . . . . . . “ . % . . Prepa.ring activity: Army-MU Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
