MIL-DTL-5675C
4.8.2 Inspection lot.
4.8.2.1 Lot and sample. The inspection lot shall be product selected at random from the production lot
without regard to quality and shall be the sample size specified in table V.
TABLE V. Lot and sample size.
Production
Sample size
lot size
1 to 90
8
91 to 150
12
151 to 280
19
281 to 500
21
501 to 1200
27
1201 to 3200
35
3201 to 10,000
38
10,001 to 35,000
46
4.8.3 Bend and tension test. The shackles being tested shall be opened by means of a wedge under
gradual pressure, or otherwise, until the minimum opening is at least equal to the specified inside
diameter of the shackle, without cracking. The shackle shall then be returned to its original shape end the
required load shall be applied through a shackle or a U-bolt similar in shape and size to the thimble-
normally used with the shackle under test.
4.8.4 Finish. The surface condition of the entire sample shall be examined under a five-time magnification
for imperfections as listed in 3.6
4.8.4.1 Grade A shackles. Plating thickness shall be tested in accordance with the applicable plating
specification, ASTM E376
4.8.4.2 Grades B and C shackles. Grades B and C shackles shall be tested for corrosion resistance for a
period of 200 hours in accordance with ASTM B117.
4.9 Salt spray testing. Fittings when subjected to corrosion resistance testing in accordance with ASTM
B633 and ASTM B117, shall meet the requirements of 3.6.1. The following details shall apply:
4.9.1 Visual and mechanical inspection. Shackles shall be examined to ensure conformance with this
specification and associated specification sheets. Continuous examination shall be performed to assure
compliance with the following requirements:
a.
First article (see 3.1).
b.
Design, construction and physical dimensions (see 3.4).
c.
Workmanship (see 3.7).
d.
5. PACKAGING
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