1、MIL-C- 46276 (Ora) 30 August 1960 MILITARY SPECIFICATION FOR CASE, CARTRIDGE, 105MM, Mi15 1, SCOPIP i. 1 Thir specification cover8 Caie, Cartridga, 105rpm, Ml15 for Cartridge APDS-T, M392 for 868 Gun. 2. APPLICABL DOCUMBNTS 2.1 tion for bid6 form a part of this 8peCifiCati011 to the atant 8peciff.d
2、har .Su: The following documant8 of the irsue in effect on date of invita- SPECIBICATIONS Mil dtary MIL-G-2550 MIL-P-10025 - General Spacification for Amunition, Except - Packing and Marking for Domertic Shipment of Small Arm Ansnrnitfon Inart Ammunition Componrntr, General Specification for STANDAR
3、RS Fadaral Federal Test Method Standard No. 151 - MeePlr; Tart Method8 Mil it ary MIL-STR-105 MIL-STD-109 MIL-STD- 39 - Sampling Procadure8 and Tabler for Iaspaction by Attributae - Inipection Tams and Definitions Surfaca Roughnass Value8 Profarred for Anny Ordnance Materiel Provided by IHSNot for R
4、esaleNo reproduction or networking permitted without license from IHS-,-,-DRAWINGS Ordnance 11-8597490 F-7548320 IEL*97hW - Caae, Cartridge, 105ME4, M115 - Cartons, Anmiunition for Interp-ant Shipmant of Bra89 Cartridgr Cabri, Empty, 7SMM to 155mM, Incurivr - Insprction Equipment List for Cam, Cartr
5、idgr, lofMM, M115 PUBLZCATIONS ORD-M608-*11 - rdnancr Insprction Handbook - Pro- c.edur.p and Tabloa for Contiauour Sampling by Attributra (Copio8 of sprcficationa, standards, drawings and- publicationa rrqairrd by contrrctorr in connrction with rprcif ic procuranent functioni rhould be obtained rom
6、 th. procuring activity or as diricted by the contracting off icor. ) 3. REQUIREMENTS 3.X General, - The cartridge case shall comply with the requirements of the appli,cable drawings, referenced specifications and the following: 3.2 Eveproduction Sample. - Unless otherwiae directed by the con- tract
7、ing officer, a preproduction sample shall be required. 3.3 Material. - The contractor ehall be responsibie for relecting fZW th8 c1assification list contained in the raw material apecificrtion, thr rrurfacr and physical condition of the raw matrrial intrndrd for uor in manufactura. 3*4 Annealinq. -
8、Annealing temprraturr shall not exceed 1200 dogrrra Fl?%YOQkit (F) * 305 Stiles8 Relief. - After the last cold fofming oparation, tha cartrdgi ca8r shall be givan a Btrrsa relief trratmrnt of approximately 500 drgrrsi Fahranhrt (F) for one hour. case shall-be annealrd at the mouth for a dirtancr of
9、4 inchei minimum, 4 1/2 inchas maximum, 3.6 Mouth Annaal. - Ater the final forming operation, the cartl;idgr Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3,7 Marcurous Nitrate. - The cartridge case when fitted with a steel mouth plug simuldting th
10、e maximum dimenrionr of the 105MM, M392 projectile, shall show no evidence of cracking aftar immersion in mercutous nitrate. 3.8 Maximum Profile. - The cartridge case shall fxeely enter the Ordnance cartifiad mcurimuq profil. gaga in such a manner as to permis the slide to close without interf erenc
11、e. 3.9 Mechanical Propertias. 3.9.1 Hardness. - The metal ,120 inch minimum, from the surface around the primer hole shall hava a Rockwell hardness value of not lass than B75 3.9,2 Tensile Strength, - Specimans taken from damplo cartridge cased in accordance with Figura X shall comply with the requi
12、rmeatr of Tabla I. (See 6*1). TABLE I Pounds per Square Inch (PSI1 Specimen A Specimen B Specimen C Speciman D Sprcimen E 44,000 Minimuni - 57,000 maximum 50,000 Minimum 80,000 Minb 75,000 Minimum 95,000 Minimum Elongation shall ba racordad for infomation only. 3.10 Functfona.1. - The cartridge casa
13、 shall be subjected to a functional test in tie following phases: a. Excess Pressure Phssa b, Obturationo - Thr cartridge casa shall afectively seal the braach Excess, Excess Pressura Phase (for informstion only) 3.10.1 of tha weapon against leakage of hot gases generated during firing. 3.10.2 Sound
14、nass. - Aftar firing, the cartridge cae. ahall ba free of Ejectbn. - k%aa fired, the carkLdg8 care rppHcabla, An AQL of 0.25 percont for each major defect and an AQL of 0.40 pe$xent for each minor defect rhalI be ured. Pour pawer (4x) 8gnification muy “be ured in patforming virua1 examination for iu
15、ch drfectr ar burr and forefgn matter. The Ordnance standard finirh block8 for rurface roughnem dot+rminrtion. 4.33.1 Maximum Profile Gaue. - Each cartrtdge care ihr11 be grgod in an Ordnance certfid nuximum profle gage. caro to comply with requfreraontr of 3.8 #hall be caum for rejectim of Ehe cart
16、ridge care. prescribed ia Stan. . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C- 46276 (Opd) Defaet Method of Inrpection MAJOR ont o di) 60 9. 3. 9. 10. 11 . 12. 13. 14 . 15. 16 . 17 MINOR Diameter of flange, min. Diameter of mouth Length o
17、f mouth ditmeter, win. “hieknesr of flange, min. Wall th urd fiva cartrfdgi caras from each production lot rhall be rubjocted to and tha fact that tha Govarmant my hava fomrlatad, furnirhad or in any way rtiipplfad the raid drawings, rpacificationr or other data ir not to be regarded by implieation
18、OH othorwbsa as in ZLRY manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufactura, USQ or sell. any patented invention that may in any way be relatad tharato. Army rdnanea Corps PREPARING ACTLVITY: Army Ordnance Corps Provided by IHSNot for
19、ResaleNo reproduction or networking permitted without license from IHS-,-,-1 i I aD ct- l4IL-C- 46 (Ord). U 5-I D. a Q U I I W Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-O s H U Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IL ta I rl a (io Q rl E w 8 CI P; a k n CI H GPO 899886 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
