MIL-C-46934B (MU)
Table III (Cont'd)
Acceptance Numbers
Cumulative
First
(First and
Defects
Sample
Second Sample)
b.
Circumferential rupture
(1) Partial, shoulder or body (J and S)
1
2
(2) Partial, body (K)
0
1
(3) Partial, head (L)
0
1
(4) Complete
0
1
5. Failure to Extract
0
1
No second sample permitted. Lot shall be rejected.
Gas escapes around more than 50 percent of periphery of cup.
For location of defects indicated by letters in parenthesis, see Drawing C7643674.
4.3.4 Packaging, p acking and marking inspection. - During or immediately prior
to the packaging operation, 100 percent 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
other than high pressure test shall be classed as a major defect. All non-conforming
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 made using the
equipment listed on IEL-8597555, Simulated assessment of reference cartridges shall
be made in accordance with AMCR 715-505, Vol. 3.
4.4 Test methods and procedures.
4.4.1 Bullet extraction. - The cartridges shall be tested in an approved bullet
extractor machine. The rate of travel of the test head shall be not less than three
nor more than six inches per minute. The test shall be conducted in accordance with
AMCR 715-505, Vol. 3.
4.4.2. Residual stress (Mercurous nitrate). - Tests shall be conducted in
accordance with AMCR 715-505, Vol. 3.
4.4.3 Accuracy.- The test shall be conducted in accordance with AMCR 715-505,
Vol. 3 utilizing the longest range available up to 600 yards. Ranges shorter than 200
yards shall not be used. When accuracy testing is conducted on ranges shorter than
600 yards, the average of the mean radii of the targets shall be multiplied by the
applicable conversion factor given below:
Range (yards)
200
300
400
500
Factor
2.19
1.63
3.25
1.31
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