1、%- c - 60813 (AR) June 1967 1. SCOPE 1,l !Ibis specification mvers Cartriee, Caliber .5O, Spotter-Tracer, M48AUl for use in Rifle, Spotting, Caliber .50, M8C. 2.1 The foUdng documents of %he issue in effect on date of invitation for bids or request for proposal, form a part O% this specification to
2、the cixtient specified herein. Military %J-STD-IO mL-Sm-10g rnbSrn-636 MIL-STD- - Saql.hg Procedures and Tables for Inspection by - Quality Assurmce Terns and Definitions - Visual Inspection Standards for Small Arms - Visual Inspection Stardards and Inspection Attributes Anmunition through Caliber .
3、?O Procedures for Inspection of Packaging, Packing and Madcinig of Small Arm Ammunition Munitions Command DX3.0542445 7643674 F7553719 - Packing and Marking, Carbridges, Caliber .5O, - Cartridge, Caliber .509 Spotter-Tracer, 48Ul - Classification of Ca-rkridge Case Defects Spo-b-ber-Tracer; Cartons;
4、 BOX, Amunition, M2Al; Box, Wirebound .50, Spatter-Tracer, 481 IEbXl0542b45 - Inspect5on Equipment List for Cartridges , Caliber TECP qOO-7009 Vol. III - Manual-of Test Methods for Small Am Ammunition FSC 1305 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
5、IHS-,-,-77777b 04307 I _ MIL-6-60813 I3 (Copies o% specifications , standards, OF stained, if etched x Case 4 Round head 5 Dent 6 Sp lit cas e in K, L or M location in I, S or J location 7 Perforated case 8 Draw scratch 9 Scratch 10 Beveled underside of head X X X X X X 4 Provided by IHSNot for Resa
6、leNo reproduction or networking permitted without license from IHS-,-,-MIL-C-bO813 13 97997OCa 0430980 1 mL-c-60813( AR) 11 12 13 a4 15 a6 17 a8 19 20 21 22 23 24 25 26 27 28 31 3u 3J-B 32 33 34 35 36 37 38 39 40 41 42 Case muth not crimped in caaaaaelure Scaly metai No chamfer on head (rim) Fold W3
7、XhkJ-e Buckle Balge Ilbegib1e or missing head stm Defective head Defective mouth No visible evidence of muth anneal l3u.ile-t; Bent S c rat ck Split bullbet jacket . Loose bullet Missing cannelure S caiy -liaet al Upset (crooked) point Defective cannelure Missing insert in nose Deformed nose opening
8、 Primer Wo primer Cocked primes Inverted prime2 Loose primer Wicked or dented grimer No waterproofing material (primer pocket joint) Defective crhy Gaging Total 1en, min, 21 X X x 16 X c 3 wEth the exception of defects 3U and 3aB. 2J Each lightweight cartridge shall be d%sassembled and the propellan
9、t weighed. ant, shall be classed as a major defect, 100 grains of propeUant shall be classed as a critical defect. Refer to MILS%B- for visual defect standards for defects 1 through 38 Each such cartridge found to contain lo0 grains or more of propell- Any cartridge containing less than 4.3.2.2 Flas
10、h tube.- Tkae debulleted cdses obtained from the bullet ex- traction tes% shall be examined for “missing flash tube“ and “lacquer seal on flash tube missing or punctured.“ cartridge ease shall be cause for rejection of the lot. The occurrence of ei-f;hes defect in my 4.3.3 Tests.- The tests listed i
11、n Table 11 shall be conducted in accord- ance with the methods and procedures specified in 4.4. 4.3.3.1 Test samples.- The quantities for the various tests shall be as specified in Table II. Only cartridges having met the visual, dimensional and weight requirements shall be used in the ballistic tes
12、ts and shall have been selected in such a manner that tle sample is representative of the en- tire lot. The cartridges shall be thoroughly mixed before being divided into samples for the various tests. Table IT Te st Number of Cartridges Paragraph Requirement Bullet ex-traction I/ 25 3.2 Bullet sens
13、itivity 21 30 3.3 Residual. stress (Mercurous nitrate) I/ 50 3.4, Waterproof 31 20, 3.5 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-m-c-60813( AR) Requirement Accuracy 9 90 Trace 5/ 50 Prnpac t s eii s it ivit y s/ Vehcity 9 20 Chamber pressure
14、 4/ 20 Rifle, Spotter, Cal. .5O, MC 200 Airtightness of base closure seal xi 50 mc-tion %on and casualty defects plus ail other Zlring defects exceed the acceptance number for the cumulative sample Ln Table III. If the number of defects found in the first tests exceeds %ha acceptance nuiber for the
15、first sample, but is equal to or less than the acceptance nuractor machine, The rate of travel. of the test head shall be not Pese than three no18 mre than six inches per minute. beb.$ Accuracy.- The teat shall be conducted in accos the %es%. The samgle cartridges shall be ffred in regular sequence
16、permitting sufficient time between shots Tos each obsemm to record trace with line of sight established perpendicular to the trajectory by the light or visible marker, shabb note the trace performance of the bullet from each sample ear- %ridge. sidered acceptable. bullet exhibits no trace. A trace w
17、hich is visible prior to 100 yards range shall. be con- The cartridge shall be considered defective when the e. of eight established perpendicular to the trajectory by the light or visible mker, shall note the trace performance of the bullet from each sample cad- ridge. A visible trace exberaiking t
18、o l5OO yards range or beyond shall. be con- sidered acceptable. exhibits no trace. Observation at the i500 yard position.- The observer, wtth line The cartridge shall. be considered defective if the bunet 4.4.7 Impact sensitivity.- me test shall be conducted ln accordance with the methods and proced
19、ures of the accuracy test in !TEC.P 700-700, Vol. III, using the equipment listed for the impact- sensitivity kst go-kkx- tracer bullet are considered toxic and inhala-kion of such fiames should be avoided. Adequate exhausts should be provided.to remove fumes from test areas 12 Provided by IHSNot fo
20、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MI b-c-608%3 ( AR) 6.3 - Certain provisions of this specification are the dated 4 March 1958; Amendment No o i, dated 10 June 1959 aaid ABCA-&-Standard-157, dated 23 September 1966. The international agreements concerned wi
21、%l be considered in formulating any proposal for amnenwent, re-v%sion or cancellation of this specification. When departmental custodians propose to &e any changes which might affect compatibility of the item w%h in%ema%ioaal standardization agreements, they vXLL so inform their respective Departmen
22、tal Standardization ffice so that a-gpmpriate action my be taken respecting the bternationaiaa agreements cornicemea. Custodian : Preparing achivity: fKW - AR - AR IntemationaI interest (See section 6) Pro j es% No e 1305-A5l6 *U.S. GOVERNMENT PRINTING OFFICE: 1986-605-036/43764 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
