MIL-DTL-1222J
Conformance inspection and tests.
TABLE XI.
Requirement
Test
Inspection/Tests
Sampling Requirements
Paragraph
Paragraph
1.2.1, 3.6, 3.10,
Visual
4.3.1
Plan A in table XII
3.13 & 3.15
Titanium:
100 per cent
Inspection for defects
3.15
4.3.2
All other alloys:
Plan B in table XII
Dimensional
3.9
4.4
Plan A in table XII
Dimensional after
3.9
4.4
Plan A in table XII
coating
Magnetic permeability
3.8
4.5.4
Plan A in table XII
Coating thickness
3.6.3
4.5.5
Plan C in table XII
Chemical analysis
3.1
4.5.1
One test
Mechanical properties
3.4
4.5.2
Plan C in table XII
Hydrogen embrittlement
3.7
4.5.6
Plan C in table XII
Decarburization
3.5
4.5.3
One test
TABLE XII.
Sample size for inspections and tests.
Sample Size
Lot size
Sampling Plan A
Sampling Plan B
Sampling Plan C
2
to
3
All
All
1
4
to
15
3
3
2
16
to
90
5
5
2
91
to
150
8
8
3
151
to
500
9
13
3
501
to
1,200
9
20
5
1,201
to
10,000
9
32
5
10,001
to
35,000
10
50
5
35,001
to
250,000
10
80
8
TABLE XIII.
Mechanical Property Test Requirements.
Test
Bolts and Screws
Studs
Nuts
Hardness
Required
Required
Required
Proof stress or yield stress
Required
Required
Required
Axial tensile strength
Required
Wedge tensile
Required
42
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