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    ARMY MIL-C-60168-1964 CARTRIDGE CALIBER 50 PRACTICE T249E2《T249E2型口径0 50炮弹的演习》.pdf

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    ARMY MIL-C-60168-1964 CARTRIDGE CALIBER 50 PRACTICE T249E2《T249E2型口径0 50炮弹的演习》.pdf

    1、. . - flIL-C-60lba 13 m 7777706 0336367 0 m . . _ . . 4 . . . . . n . . . , . . . , , . I “. . .-. . - - - . . . , . e - .- . . . ,e.“ u,-., .- . - . . . . . - . m . . - . . _. -* -3 -., . . . . . I -. I“ “.- . - fdIL-C-60168 (MU) to perform any of the inspections set forth in the specification wher

    2、e such inspections are deemed necessary to assitre supplies and services conform ta prescribed requirements, 4.1.1 Quality assurance terms and definiti:.:.:1: : : : : :f.=.:,:; :“: : : . . . . C! .“.-.-._I - -. .-.-.-.-.- .- i .- - .- . . “.I. - . . . . - . . . . . . . . * . . . _ “P “ . -.-.- - . .

    3、-I . i . ( . . , , 2 . i . , . . . “ . . . . , ,.I I .- . , . ,- , . .4 ,“. , * I . -,- I.-“.-.I-“ -. I- . . “ . - -.- “ . _-.- “ - . “ ._ - .* . I . . -. . * .P.-. - . -.-, .-_I- .,.-.- - “ I- “ . . . . . -.,.,. n -.- . . , , . . . . , - 4 4 U. * .u “i . I .-.,.- -“! .? .rl- . I _I_ - 4 ? - 1 . d 1

    4、 1 Weighing X 47 Weight, min. s/ i/ Refer to XIL-STD-636 for visual defect standards. for defects 1. through 38. 2/ Each lightweight cartridge shall be disassembled and the propellant - I weighed. propellant shall be classed as a critical defecs. Each such cartridge found to contain less than 100 gr

    5、ains of 4.3.2.2 Flash tube.- The debulleted cases obtained from the bullet extraction test shall be examined for “missing flash tube“ and “lacquer seal on flash tube missing or punctured.“ The occurrence of either defectin any cartridge case shall be cause for rejection of the lot. . 4.3.3 Tests.- T

    6、he tests listed in Table II shall be conducted in accord- Test samples.- The quantities for the various tests shallae 8s ance with the-methods and procedures specified in 4.4. specified in Table II. and weight requirements shall be used in the ballistic tests and shall have been selected in such a m

    7、anner that the sample is representative of the entire lot. into samples for the various tests. . 4.3.3.1 Only cartridges having met the visual, dimensional The cartridges shall be thoroughly mixed before behjg divided -. .). 5 -. .a ij Provided by IHSNot for ResaleNo reproduction or networking permi

    8、tted without license from IHS-,-,-L, t i MIL-C-bOLb 13 7799706 0336372 k, . -.:;: :. . L. . L“ . LI:l;: . -.- . -_. 1.- .- I- -. I . -. . . -.- -. I. . I -.- _I-.- -I. - .- ,. .-. - . -.-. -.-I. -.-i- .- . .-. U. . - . Test Cartridges para ra h I-zz:-.-.-.-. -.-.- .-_ t“.-.-.-.- ,. . . .- .- I- . .

    9、. “ .- I . “ - .-.-.- - . t: . -. t - .-_.-. TABLE If . ,. Requirement :“y*yzz- “: 3*3 +.I . 3.4 i . Numb er o f . ,.I - 7 - Bu1 1 et extract ion iJ 25 Residual stress (Mercurous nitrate) L/ . . 50 *. Velocity 21 Chamber pressure 21 Accuracy 21 -Rifle, Spotter, Cal. -50, M8C Waterproof 2/ 20 . 3.5 2

    10、0. 3.6 90 3.8 20 3 *.7 ). . -. . . ,. . 1:. Function i. . . . P . . CI. . I;.-.-:;:.:;: . ._. :.-:.?:z: . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. flIL-C-bOLbB 13 7799906 0336373 6 rn “ j . . . . . . . n . . . . _.-.- . . . ., - . . : . - ,

    11、. u - ,- LI.- -I- - . . . - -._.- “ . . . .,.-. , .Y _“ i i .-. -it . :.:J:; : :=.:=.: : : : : :I: :.-:. : : :; : . :. . I-_I-. -I.-_-. . . MIL-C-60l68 (MU) 4.3-3.2 Firing defects 0- Firing defects and acceptance nmbers shall be c -I. =.,-.I-.- - I - as specified in Table III. _ . . .I ._ . . I “ -.

    12、 .- . . - . ._._ -. . -.-.-. .- - . . _ - - . . TNBLE ,:z11 - . . . - _ -.- -.I- .-.-._I-_ -.-.-.-_- _ . I-. I-.- - - .-._1_- .-. U“.-.- - . - -_._ . . . ,. . - . “ . . . . Accptance Number . . - ._-. , . cUlnu1ative -. I.-._ . - . Defects -First sampie (1st : . : :- . - 5 - “ more than 509, of peri

    13、phery ._ 1 . 3 4. Case casualties . a. Longitudinal split 2/ .-.-.- . _.* 8 . 14 . (1) Neck and shoulder (1 or S) . 3- . 2: * , - - . (3) Body (KI . 1 L -.-.- - .-.- (4) To head (L) o O .1 - (5) Through head (M) 3. 1 (1) Partial, shoulder or body (Ja) 2 O - .-._ ._ . (2) Partial, body (Y,) O 1 (3) P

    14、artial, head (I,) . 1 O _.I - . (4) Complete 1 ._ . * ._. of pocket on retraction of bolt . -0 _I . - * e. Primer remains in pocket but is . .r , ? .-.- -s “- - -. - physically loose 2- (2) Body (JI 2 : . .1 . . v, -._.- . b. Circumferential rupture 2/ . - C. Flash tube . (1) Missing flash tube 3/ o

    15、 . “- -_ _ . . . . . . . - (2) Flash tube remaining in bore L/ O . O O -.1 1 5. Failure to extract 6. Weapon stoppage A/ l/. NO second -sample permitted. , Lot shall be rejected;- . . - - - . 2/ For location of defects indicated by letters in parentheses, see Drawing -.- 4/ .All stoppages attributab

    16、le to the ;amunition., with. the exception of misfire, complete rupture or, failure to extract, observed in alltests - . -. . . . . . . - -_.- n- -.- I. I . . . I - . . .U - -.-“.-I . . - -.- , -. - -. . . -.U . C7643674. . - * . . .3/ A loose flash tube shall carry no penalty,. . i _. - . ci - -* .

    17、 . . - . -.-.-. - : ._ . “ - . . . - - . . _ . . . -.,_ . = . . r shall be ncluded. . i 4 I F- - . . . , . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-fl-. MIL-C-60168 13 7777906 0336174 I MIL-C-60168 (MU) 4.3.4 Packaging, packing; and marking in

    18、spection.- During or immediately prior ta the packaging operation, 100% examination of the cartridges shall be performed to ascertain that the cartridge type conforms to the drawing. Occurrence of a high pressure test cartridge shall be classed as a critical defect. Occurrence of any incorrect type

    19、other than high pressurekest shall be classed-as a major defect, All nonconforming cartridges shall be rejected, Inspection-for packaging, packing and marking shall be in accordance with MIL-STD-644,. as applicable to- the drawing. . - 4.3.5 Inspection equipment.- The examination and tests shall be

    20、made using the equipment listed on IEL-10534667. 4.4 Test methods and procedures. 4.4.1 Bullet extraction.- The cartridges shall be tested in an approved bullet extractor machine. less than three nor more than six inches per mnute. The rate of travel f the test head shall be not 4.4.2 Residual stres

    21、s (mercurous nitrate).- The test shall be conducted in accordance with ANCI: 700-700, Vol. III. 4.4.3 Waterproof.- The ammunition to be tested, not to exceed five cartridges at one the, shall be placed horizontally on a perforated tray. The tray shall be placed in a desiccator containing a sufficien

    22、t quantity of freshly boiled water to niaintain a head of 2 to 2% inches. The des5ccator shall be evacuated to a pressure of 7.fi pounds per square inch (15 inches of mercury) below atmospheric pressure and held at that pressure for 30 seconds. The number of bubbles liberated from-the mouth or prime

    23、r of each cartridge shall be observed. .4.4.4 Velocity.- The test shall be conducted in accordance with Allm 700-700, Vol. III. . 4.4.5 Chaniber pressure.- The test shall be conducted in accordance with AMCR 700-700, Vol. III. 4.4,6 .Accuracy.- The test shall be conducted in accordance with MICR 700

    24、-700, Vol. III. - . 4.4.7 Function and casualty.- The test shall be conducted in accordance with AMCR 700-700., Vol. III. shall be fired in each. Two rifles shall be used and 100 cartridges - 4,4.8 Defect penalty.- In any bailistic test, except function and casualty, in which tkie occurrence of a fi

    25、ring defect prevents the obtaining. of a reliable result for the characteristic behg tested, an additional shot shall be fired. Thatparticular test shall not be penalized, but the accep- tance br nitialproducton sample shall be penalized for such defects in accordance with Table II. . -. . .- c: k.:

    26、 I. . I. . . . . t . u-:;: -i- -. - . *-_1.- . - . L - .- -_._ C- . -.- . . ._: . ,.I . I- ,-I . -_I l. . .-.-.- . .-. , - . - _., .-._._ E: . .7.:.L.2.2-. : ;: : : - - c.-:=: -. -.-.-_l-.- _- L .-.- . . .- . _ . .-.-.- - . :. -._. . - , . -.- .- * . I . . a :.if:.:.iiiiili(fllI(IIIII I ,. . - . t:;

    27、:;: : Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-b y! : . .:.: . : ?,. .,., - -6 NIL-c-baLhd 13 3379706 033bL75 T m: . . . . . . . . . :;: .:-.: : :;: : ;:. .-. .: . . .- - . . . . . . _. . . . . . . . . . . . . . . - , . . ,- . .-. “.“ni“. - .

    28、“ . I. . . -.-.- ._ -.-.7 .4 . i.:-.- ., . “ = . . -s-.- . . . . - - . -.I , . -1 I I“ . .“ . . . . -. . .-. - -. -.- . - I- -,.-.- . -.-+ .-i. -.,I I- I. .- ,-. -i .-.-.I-.-“ _l. m . - . -.-.-.-.4 . - . I_.n ,.*. i . . 1 -.-.-.-.-. f . .- : .-.- -. . - . “ . - . _,-.- .-+-.-.- “ . - - * -.-. . - .-

    29、 “ .-.-.- “-_I -“ . -“ . . . * . ,- “ .I -.-.- .- .*, “-y 3 . ) . “ - ., . -., _.- i . .-., -.-.-. “ -._ . - . - - ._.-._ -,.*-. . . . “. . ., ,.- .-.u . . -. - . . -. -. . , . “ . ,.,.- -.-I. . - . 1 . - , . , . - .-.-._ I . “. .-.-. . - _._ - - . -.- .-.- -.-. - -. x .-.-, .- . - -.-. . - . . 2 .

    30、, . ; . . “ ,. . “ - . - . . “ * . “ “ .-. -u - . .-.-. .-.-.-, -.- . - .- . - - . .- - . - - . . . . - . . . . . . ,- . . -,._ . -_ “ .,._ . . . - “ . . . . . . . “. .3 . . . . . - . . . . J i: . 1 MIL-C-60168 HU) 5. PREEAIUTION FOR DELIVERY 5.1 Packin%.- Level A (Wcrldtiide shipment) - The cartrid

    31、ges shall be packed in accordance with Drawing B10534780 5.2 MarkinP and labelin%.- Packing boxes shall be marked and labeled in accordance with the drawing cited in 5.1, 6. NOTES 6.1 Ordering data.;b Invitations for bids or request for proposal and. contracts or orders will specify the following: 6

    32、.1.1 Title, number and date of this specification. 6.1.2 Type and level of packing. -6.1.3 Provisions for the supply, maintenance ,and disposition of mandatory ballistic test equipment for acceptance inspection purposes. 6.1.4 Provisions for the submission of acceptance of inspection reports containing final inspection results for each lot of anaminition presented to the Government Custodian: Anay-m - _ 1.- Preparing Activity: Project No. 1305-A318 9 L ,e- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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