MIL-DTL-46540C(AR)
3.3 Head rim thickness, maximum. The maximum head rim thickness of each cartridge case shall
be in accordance with drawing D7553815.
3.4 Hardness. The cartridge case shall comply with the hardness requirements of drawing
D7553815.
3.5 Residual stresses. The cartridge case shall be free of residual stresses to the degree detectible
by the mercurous nitrate test.
3.6 Neutrality. The cartridge case surface shall be free of acids and alkalis.
3.7 Function and casualty. The cartridge case shall function without casualty (see Table V).
3.8 Workmanship. All parts and assemblies shall be fabricated, loaded, and assembled in a
thorough workmanlike manner. They shall be free of foreign matter such as corrosion, corrosive residue,
stains, dirt, grease, oil, lint, chips, slivers, shavings and trim sections and free of defects, such as metal
flaws, folds, wrinkles, splits, cracks, dents and perforations. Exterior surface coatings shall be continuous;
however, light scratches not exposing base material may be permitted.
4. VERIFICATION
TABLE I. Requirement/verification cross reference matrix
METHOD OF VERIFICATION
CLASSES OF VERIFICATION
N/A - Not applicable
A - First article
1 - Analysis
B - Conformance
2 - Demonstration
3 - Examination
4 - Test
Section 3 Requirement
Verification Methods
Verification
Section 4
Class
Method
N/A
1
2
3
4
A
B
3.1
First article
X
X
X
4.2
3.2
Parts and subassemblies
X
X
X
Table IV
3.3
Head rim thickness
X
X
X
4.4.1
3.4
Hardness
X
X
X
4.4.2
3.5
Residual stresses
X
X
X
4.4.3
3.6
Neutrality
X
X
X
4.4.4
3.7
Function and casualty
X
X
X
4.4.5
3.8
Workmanship
X
X
X
Table IV
4.1 Classification of inspection. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.2)
b. Conformance inspection (see 4.3)
4.2 First article inspection. When specified, a sample of 4030 M103 cartridge cases shall be
subjected to first article verification inspections and tests with quantities in accordance with Table II and
Table IV.
3
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