MIL-DTL-24705B(SH)
4.4.1.2 Group B inspection. Samples for Group B inspection shall be selected from inspection lots that have
passed Group A inspection. The number of samples selected shall be in accordance with table V.
TABLE V. Group B inspection sampling plan.
Lot size
Sample size
Accept
2 to 15
2
0
16 to 25
3
0
26 to 90
5
0
91 to 150
6
0
151 to 280
7
0
281 to 500
9
0
501 to 1200
11
0
1201 to 3200
13
0
3201 and over
15
0
4.4.2 Lot. For the purpose of conformance inspection and test sampling, a lot is defined as all the penetrator
frames, accessories, or insert material items of one type and material produced in one facility, using the same
materials and production processes, and being offered for delivery at one time.
4.4.3 Group D inspection. At 3-year intervals following qualification approval, test samples selected from
inspection lots which have passed Group B inspections shall be subjected to the fire stop test specified in 3.5.7 and
4.6.9. Whenever the manufacturer has had no production in the specified period, the samples shall be selected from
the first production lot following this period.
4.5 Material control objective quality evidence. When specified (see 6.2), the following information shall be
part of the objective quality evidence:
a.
Contract or order identification.
b.
Contractor's identity.
c. Material certification with a statement to the effect that objective evidence is on file in support of material
identification.
d.
Signature or symbol of contractor's inspection.
4.6 Methods of inspection.
4.6.1 Test stand assembly. The test stand assembly used to test the multiple cable penetrator test specimen (see
4.3.1.1) shall be approved by NAVSEA.
4.6.2 Visual and dimensional examination. Multiple cable penetrator frames, accessories, and insert material
items shall be visually and dimensionally examined to verify that the design, construction, physical dimensions, and
4.6.3 Vibration. The multiple cable penetrator test specimen shall be subjected to the Type I vibration test in
accordance with MIL-STD-167-1. Following the test, the multiple cable penetrator test specimen shall meet the
acceptability requirements of MIL-STD-167-1, and shall pass the HI shock test specified in 4.6.4 and the
watertightness test specified in 4.6.5, and in that order.
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