1、MIL-S-63302 (6) 13 = 7777706 0447574 B _- _ _ - MIL-S-63302 (AR) AMENDMENT 6 16 AUGUST 1990 SUPERSEDING - AMENDMENT 5 24 Jan 1985 MILITARY SPECIFICATION SAFETY AND ARMING ASSEMBLIES FOR MINES: M74 AND M75 This Amendment forms a part ofMilitary Specification MIL-S-63302(AR), dated 24 July 1979, and i
2、s approved for use by the US Army Armament, Munit.ions and Chemical Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 “M74 and M75“: and Change “XM74 and XM75“ to in specification. MIL-L-63246: Delete “tit “ PAGE 2 e“ and substitute wherever it app
3、ears Leads, Explosives, PA509, PA512, PA513, PA514, PA516, PA517 and PA521; Parts for, and Loading, Assembling and Packing“. DRAWINGS: Delete “COMMAND“ and substitute “CENTER“. PAGE 4 3.3, line 3: Delete“. of MIL-STD-331 except as follows: . in 4.5.8.1.“ and substitute “. of MIL-STD-331 except as fo
4、llows: Side output from two HMX loaded cups placed end to end shall produce .O20 inch minimum (min) dent in an aluminum witness plate when tested as specified in 4.5.8.1. Side output from a single HMX loaded cup shall produce a 0.013 inch min dent.“ AMSC N/A 1 of 14 FSC 1345 DISTRIBUTION STATEMENT A
5、. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (6) 13 m 7977706 0449575 T m MIL-S-63302 (AR) AMENDMENT 6 3.5.b, line 2: Change “. slider and its explosive trains to the in-line.“
6、to “.slider to move to the in-line.“. 3.6.1, line 4: Delete “in the aluminum witness plate,“. Change table as follows: TEMPERATURE -350 -5F t750 tlOF t1450 T5OF DEPTH OF DENT .O05 inch min .O05 inch min .O05 inch min PAGE 5 3.6.2: Line 5: Delete “. in a steel confining ring (wit.ness block),“. Line
7、10: Delete “Dwg. 93287516“ and substitute “Dwg. 9328756“. 3.8: Delete “The resistance.ohm.“ and substitute “The detonator(s) and micropist.on actuator circuits shall be shunted to each other and to ground circuit (S&A housing).“ PAGE 9 TABLE I: cable Flexible (Dwg. 9329826): Delete “Salt Spray and a
8、ssociated entries“. PAGE 12 Delete: Spacer, Detonator.,.4.4.2.3ln PAGE 13 TABLE I: Line 7: Del 9328756)“. te “(Dl in its entirety. , 9292756)“ and sibstitute “(Dwg. a Line 10: Delete “MFD“ and substitute “MDF“. Line 20: After “examination“ add “(mechanical, electrical)“. Add to requirement paragraph
9、: “,3,8“. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (6) 13 7777706 OqY7576 L H -_ MIL-S-63302 (AR) AMENDMENT 6 PAGE 14 TABLE I: Line 1: Delete in its entirety. Line 10: After “examination“ add “(mechanical, electrical). Add to req
10、uirement paragraph: “,3.8“. Line 15: Delete in its entirety. Line 16, MDF TRAIN function, No. of Sample Units Column: Add“*“. Line 18, INSPECTION METHOD Column: Delete “4.5.18.2 and substitute “4.5.18.1“. Notes, line 2: Delete “Half the sample shall facing down.“ and substitute I* Half of the sample
11、 units shall be functioned with lock plate facing up and the remaining sample units with lock plate facing down.“ PAGE 16 4.4.2.1: Major 105: Change “width“ to “with“. Add “Major 112 - Length to main lead blast hole, 4 places - . 0.40% - 3.2 - Gage“. Minor 202: Change “rang“ to “tang“. Minor 204: De
12、lete in its entirety. PAGE 17 4.4,2.2: Delete “Majors 104 and 105 in their entirety. PAGE 18 4.4.2.3, In note (a): Change “Inspection Level S-3“ to “Sample Level S-1“. Major 106: Delete “ASTM-E-18 and subst.itute “ASTM-E-384“. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
13、thout license from IHS-,-,-MIL-S-63302 (6) 13 7977706 0447577 3 _ - - _- -_- MIL-S-63302 (AR) AMENDMENT 6 PAGE19 . 4.4.2.4: Major 103: Change “Thickness of plate“ to Thickness of plate - detail A of drawing“. Major 108: Delete “ASTM-E-18“ and substitute “ASTM-E-18/ASTM-E-384“. Note (b): Change “Insp
14、ection Level S-3“ to “Sample Level s-1“ . PAGE 20 4.4.2.5: Major 102: Change to read: “Length to smallest diameter“. Major 118: Delete in its entirety. i l Majors 121 and 122 delete in their entiret.y. Add “Major 123: Length from center of groove to smallest diameter -040% - 3.2 - Gage. PAGE 23 4.4.
15、2.7, Major 105: Change to read: “Chamfer missing, 2 places - 0.40% - 3.2 - Visual“. PAGE 24 4.4.2.8, Note (a): Change “Inspection Level S-3“ to “Sample Level S-1“. Major 112: Delete “ASTM-E-18“ and substitute “ASTM-E-384“. PAGE 25 4.4.2.9: Delete Major 101 in its entirety. c 4. 5 d 4 Provided by IHS
16、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (AR) AMENDMENT 6 PAGE 28 4.4 . 2.12: Major 112: Change to read: “True position of largest holes“. Major 114: Change to read: “True position of smallest hole with Datum A and B“. PAGE 30 4.4.2.14: Major 101
17、: Change to read: “Datum- A-diamet.er at specified Major 102: Change to read: Dat.um-B-diameter at specified height“. height . Major 119: Change to read: “Length of cut.out for lock . plate“. Add a second sentence to Notes: “The features may be gaged before the chromate finish is added provided that
18、 after parts are chromated they still meet requirements of drawing.“ PAGE 31 4.4.2.14, Major 126: Change to read: “Wall thickness at end of slider cavity“. PAGE 32 4.4.2.14: Majors 140 and 141: Delete DET. L“ and substitut.e “DET. M“. Major 142: Delete “Gage“ and subst.itute Visual“. PAGE 33 4.4.2.1
19、5: Major 104: Change to read: “Datum-A-diameter at specified depth (see G-G, sht. 5)“. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (AR) AMENDMENT 6 * Major 105: Change to read: “Datum-B-diameter at specified depth (Detail C, sht. 2)
20、“. Add a second sentence to Notes: “The features may be gaged before the chromate finish is added provided that after parts are chromated they still meet requirements of drawing.“ PAGE 38 4.4 . 2.18 : Major 103: Change imcomplete“ to “incomplete. Major 106: Change to read: “Length of roll crimped cu
21、p, min, 2 places“. Major 109: Change to read: “Spacing present between MDF and HMX, 2 places - 100% - 3.2 - 4.5.11“. Add “Major 112: Inclusions, voids or impurit.ies - 100% - 3.2 - 4.5.11“. Add this sentence to Note (a): “The samples from Major 107 may be used in output test of Major 110.“ c Add Not
22、e (b): “Results from #110 shall be recorded and forwarded to AMSMC-QAT-M (D) (See 6.5).“ * PAGE 39 4.4.2.19 : Majors 102, 103, 105, 108: Delete “GAGE“ and substitute “Visual“. Major 107: Delete “True position of groove pin to datum A si B“ and substitute “True position of tabs to datum A SI B, 2 pla
23、ces“. PAGE 40 4.4.2.20: Delete Major 103 in it.s entirety. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (AR) AMENDMENT 6 PAGE 42 4.4.2.22: Major 113: Change to read: “Height between tabs“. PAGE 43 4.4.2.22, Major 121: Delete “clearac
24、e“ and substitute “clearance“. PAGE 44 4.4.2.23, Major 101: Change to read: “Expiosive lead, PA517, inverted, 2 places“. PAGE 45 4.4 -2.24: Major 102: Change to read: Explosive lead, PA517, inverted, 2 places“. Note (a): Change “Inspection Level I“ to Sample Level S-3“. Delete last sentence of Note
25、(a): Any failure to this test . PAGE 47 4.4.2.26: Delete Major 103 in its entiret-y. PAGE 52 4.4.2.31: Delete in its entirety. PAGE 53 4.4.2.32: *Add “Major 109 - Length of smallest diameter - 0.40% - 3.2 - Gage“. PAGE 57 4.4.2.36, Notes: Delete “*See 4.5.2“ and substitute “*See 4.5.3“. 7 Provided b
26、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I. MIL-S-63302 (AR) AMENDMENT 6 PAGE 58 4.4.2.37: Change title to read: “Safety and Arming Assembly (Prior to assembling Upper and Lower Housing Assemblies)“. Critical 2: Delete in its entirety. Crit.ica 5: Delet
27、e in its entirety, PAGE 59 4.4.2.38: Change title to read: “Safety and Arming Assembly (Prior to assembling Upper and Lower Housing Assemblies)“. Critical 2: Delete in its entirety. Critical 5: Delete in its entirety. PAGE 60 4.4.2.39, Crit.ica1 1: Change “3.5.7.2“ to “4.5.7.2“. PAGE 61 4.4.2.40, Cr
28、itical 1: Change “3.5.7.2“ to “4.5.7.2“. PAGE 62 4.4.2.41, Major 101: Change to read: “Actuator spacer, blast shield assy and flexible cable assy missing or incorrectly installed“. PAGE 63 4.4.2.42, Major 103: Change to read: “Blast shield assy, actuator spacer, MDF spacer and flexible cable assy mi
29、ssing or incorrectly installed“. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-63302 (AR) AMENDMENT 6 PAGE 64 Critical: Delete “Eyelet . circuit“ and substitute “Shunt(s) to ground circuit open,“. Add to requirement paragraph “,3.8“. Critic
30、al 2: Change to read: “Length to slider assy, over max.“. Critical 3: Change to read: “Slider release pin and shear pin missing or improperly assembled“. Add Critical 4: Centrifugal lock binding, sticking or restricted in travel to armed position and/or in return to the safe position, 2 places, (c),
31、 loo%, 3.2, Visual/Manuai. Major 102: Delete “Gage“ and substitute “Gage/Visual“. Major 109: Delete “Electrical Continuity and Impedance Test“ and substitute “Electrical Resistance Test“. c-, Notes, (a): Delete: “After . eyelet.“ and substitute “After soldering of shunts“, centrifugal lock must be m
32、oved to the fully armed position and observation made of free return of each lock to safe position. - Add Note (c): Prior to installing lock plate, each PAGE 65 4.4.2.44: Critical 1: Change to read: “Shunt(s) to ground circuit open, detonators or micro piston actuator not commonly shorted to SaA bod
33、y“. Requirement paragraph: Add “, 3.8“. Critical 2: Change to read: “Length to slider assy, over max. Critical 3: Change to read: “Slider release pin and shear pin missing or improperly assembled“, 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
34、L-S-63302 (AR) AMENDMENT 6 Add Critical 4: “Centrifugal lock binding, sticking or restricted in travel to armed position and/or in return to the safe position, 2 places, (c), loo%, 3.2, Visual/Manual. c Major 102: Delete “Gage“ and substitute “Gage/Visuai“. Major 110: Delete “Electrical Continuity a
35、nd Impendance Notes, (a): Delete “After . eyelet.“ and substitute “After Test“ and substitute “Electrical Resistance Test“. soldering of shunts“. Add Note (c): “Prior to installing lock plate, each centrifugal lock must be moved to the fully armed position and observation made of free return of each
36、 lock to safe position. PAGE 66 4.4.2.45 : Line 3, under “Examination or Test“: Delete “Transportation vibration and substitute “TRANSPORTATION VIBRATIONn. Line 4, Following examination: Add “(mechanical, electrical Line 5: Delete “Continuity resistance checks, -, -, 4.5.14“. Add Line 6: “Electrical
37、 resistance tests, Note 4, -, 3.2, shorting)“. -._ ! .2 4.5.14“. Line 8, Final arming: Delete 4.5.7.2“ and substitute “4.5.17.2“. * Add Note 3: “Results from in-line explosive functioning shall be recorded and forwarded to AMSMC-QAT-M (D) (See 6.5). line functioning. Add Note 4: “Must be performed f
38、ollowing T.V. and before in PAGE 67 4.4.2.46: Line 4, Following examination: Add “(mechanical, electrical shorting)“. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L Line 5: Delete “Continuity resistance checks, -, -, 4.5.14“. Add Line 6: “Elect
39、rical resistance tests, Note 4, -, 3.2, Line 11, Main charge train functioning: Delete “4.5.18.2 4.5.14“. and substitute “4.5.18.1“. Add Note 3: Add Note 4: “Must be performed following T.V. and before “Results from in-line explosive functioning shall be recorded and forwarded to AMSMC-QAT-M (D) (Se
40、e 6.5). in-line functioning“. PAGE 73 4.5.8.1: Line 6: Change Witness plate, 5/8 x 1 1/4 x 1 1/4 inches, . “ to “Witness plates, 5/8 x 2 x 18 inch for series end to end output and 1/8 x 1/2 x 3/4 inches for single cup output,.“. Add to end of paragraph: “A maximum of ten(l0) test samples may be test
41、ed end to end at one time on a single 5/8 x 2 x 18 inch witness plate. MDF shall be formed at a 90 +5O ,- Le angle with a .O47 inch inside bend radius. 4.5.8.2, line 5 (last sentence): Change to read: “Acceptable assemblies subjected to this test may be used in output test of 4.5.8.1.“ 4.5.9, line 5
42、 (last sentence): Change to read: “This is a non-destructive test and acceptable parts meeting no-movement requirement of drawing may be returned to the lot. 4.5.11, 4.5.11.1 and 4.5.11.1: substitute: “4.5.11 Neutron radiographic examination. The MDF assembly, Dwg. 9328123, shall b e subjected to ne
43、utron radiographic examination. compliance with requirements of the drawing. non-destructive test and acceptable parts may be returned to the lot.“ Delete in their entirety and Observation shall be made for This is a 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
44、ense from IHS-,-,-MIL-S-63302 (6) 13 7777706 0411755 2 AMENDMENT 6 PAGE 74 4.5.13, change last sentence to read: “This is a non- destructive test and acceptable parts may be returned to the lot.“ 4.5.15.3: Add the following: “NOTE: The S&A assembly may be tested in standard shipping (service item) p
45、ackage in lieu of rigid mounting in a fixture.“ 4.5.14: Delete Following . (Non-destructive test)“ and substitute wFoilowing removal of shunts after transportation vibration or after assembly of the flexible cable to appropriate S&A device and the punching of a hole for electrical access, the flexib
46、le cable assembly shall be subjected to the resistance tests specified on the applicable S&A drawing. Readout meter shall be a milliohmeter or equivalent with a test current of one milliampere or ten milliampere limited to ten seconds max. Observation shall be made for compliance with the requiremen
47、ts of the applicable S&A drawing. After resistance measurements, the electro explosive device(s) shall have their input leads positively shorted and tested for shorting requirement specified in 3.8 . and applicable drawing. (Non-destructive test)“ PAGE 75 4.5.17.1, Line 1: Delete “The S&A test . abo
48、ut its center line, .“ and substitute “The S&A test samples from 4.5.16 shall be placed in a approved fixture and spin machine, and subjected to a spin of 2500 RPM max about its center line, .“. 4.5.17.2, line 2: Delete “form“ and substit-Ute “from“. * 4.5.17.2.a“ Delete in its entirety and substitu
49、te: “An aluminum test plate, 1 x 1 x 5/8 inch thick, shall be secured at the side face of the MDF cap preselected for functioning. Material for the aluminum witness plate shall be as specified in 4.5.8.1 (Dwg. 9328756 only). 12 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
