MIL-DTL-46992E (OS)
4.2.2 Inspection routine. The first article sample shall be subjected to the inspections specified in Table
II.
TABLE II. First article inspection.
Inspection
Requirement
Test method
Number of samples
paragraph
paragraph
to be inspected
10 components
4.4.1
3.15
Visual and dimensional inspection of
components
5 components
4.4.2
3.3
Hardness
5
4.4.6
3.6
Spring load
5
4.4.7
3.6
Embrittlement of spring
3 components
4.4.8
3.7
Corrosion resistance
10
4.4.9
3.8
Airtightness
10
4.4.10
3.9
Lanyard assembly pull test
28
4.4.11
3.10
Radiographic
28
4.4.12
3.11
Staking
12
4.4.13
3.12
Vibration
21
4.4.14
3.13
Non-withdrawal and withdrawal of cotter pin
28
4.4.15
3.14.1
Firing pin release and non-release
21
4.4.16
3.14.4
Functioning over temperature range
7
4.4.17
3.14.5
Functioning at high setback
4.2.3 First article sample failure. The first article sample shall meet all the requirements in Table II.
The Government reserves the right to terminate its inspection upon any failure of assembly or component
in the sample to comply with the stated requirements. In the event of failure of any sample, the
Government reserves the right to require the contractor to take corrective action and submit a new sample
or portion thereof.
4.3 In process inspection.
4.3.1 Inspection of product. Inspection of product shall consist of Tables IV and V inspections, done
prior to delivery.
4.3.1.1 Submission of product. A lot shall consist of an identifiable group of assembled cutters
containing metal parts assemblies produced by a homogeneous process and loaded with one lot of knife
delay assemblies. Unless otherwise specified by the contracting activity, formation and identification of
lots shall be in accordance with Table III.
4.3.1.2 Lot sample size. A lot shall consist of an identifiable group of assembled cutters that has
successfully completed the requirements of Table IV. The lot acceptance sample size to be in accordance
with Table III.
TABLE III. Lot sample size.
Lot Size
Functional/
High setback
Retain units
Total sample
Firing pin release
26-50
12
6
4
22
51-200
15
6
4
25
201-500
21
9
4
34
501-1200
30
9
4
43
1201-3200
45
9
4
58
6
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