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|  MIL-C-45978A (AR)
4.7.7.1.7
4.7.4.7
3.5.2
Material soundness
5
4.7.7.3.ld
4.7.6
3.5.3
Bore Enlargement
6.
5.
4.7.4.8
7.
Packaging
4.7.5.1
4.7.7.2.1
3.3, 3.3.1,
8.
Breech mechanism
3.3.2
and firing .
mechanism group
ecti. on provisions
Cannon and parts thereof shall be
4.7.1
inspected for conformance to-the requirements of this
specification. to MIL-C-13931, QAPs listed in Master LQAP
li579150, QAP APPENDIX-WVA and any additional requirements listed
in the contract (see 6.2).
4.7.2 Inspection ap Proval stamp. The application of the
inspection approval stamp shall be as specified in MIL-C-13931.
4.7.3
Inspec tion equipment.
Cfquisition, maintenance and disposit ion. Unless
4.7.3.1
otherwise specified (see 6.2) responsibility for acquisition,
maintenance, "and disposition of inspection equipment prescribed
in applicable item QAP's, shall be in accordance with
MIL-I-45607 .
4.7.3.2 accuracv of commercial inspection equ ipment. When
commercial and modified commercial inspection equipment is used,
it shall be capable of repetitive measurements to an accuracy of
10 percent of the total tolerance of the characteristic being
inspected.
4.7.3.2.1 Accuracy of pr Oof pressure measurim devices. The
devices for measuring proof firing pressures shall have the
following accuracy:
Max imum error of measurement (%)
Device
+ 3 of reading
copper crusher gages
+ 2 of reading
pressure transducers
Quality conformance examinations.
4.7.4
4.7.4.1 Firing p lunger reset position. The firing plunger reset
position shall be measured using the examination method of
4.7.7.1.1. Cannon failing to comply with the requirements of
8
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