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MIL-L-22624A
4.6 Tests.
4.6.1 Acceptance tests.
4.6.1.1 Visual and mechanical inspection. Link samples
selected in accordance with 4.4 shall be tested for con-
formance to 3.2, 3.3, and 3.10.  Lot quality shall be
judged as specified in 4.6.2.
4.6.1.2 Salt spray resistance test. After components
of the Mod 4 link have received the phosphate coating
of Specification MIL-P-16232, 10 samples of the assembled
link shall be subjected to the test of Federal Test Method
Standard No. 151, Method 811.1.  The link shall meet the
requirements of 3.6.1.  Test links shall not be reused for
other tests nor shall they be delivered to the Government
as units of production.
4.6.1.3 Round retention test. Ten Mod 4 links, 10 Mod 5
links and 10 Mod 6 links shall be selected for the round
retention test.  The test shall be performed using the
equipment shown in Figure 3.  The test fixture weight of
2.0 pounds shall be allowed to fall freely a distance of
4.0 inches and strike the test stud.  The link shall meet
the requirements of 3.4.1.
4.6.1.4 Round separation test.  The sample links and test
equipment of 4.6.1.3 shall be reused for this test.  The
weight shall be allowed to fall freely a distance of 11.0
inches and strike the test stud.  The link shall meet the
requirements of 3.4.2.
4.6.1.5 Flange strength test.  The test samples of 4.6.1.3
and 4.6.1.4 shall be used with the equipment shown in
Figure 4.  The test fixture stud shall be positioned to
rest against the upper edges of the carrier detents.  The
weight of 20.0 pounds shall be allowed to fall freely a
distance of 30 inches and strike the stud.  The link shall
meet the requirements of 3.4.3.
4.6.1.6 Linking test.  Twenty Mod 4 links, 10 Mod 5 links
and 10 Mod
links shall be selected for the linking test.
The test shall be performed using the hand linking tool of
3.4.4.  Ten Mod 4 links shall be Joined as a single belt.
The Mod 5 and Mod 6 links will be joined by a Mod 4 link
for 10 groups of three.  The lug slot of one link shall be
positioned to receive the spring and rivet of another link.
The link shall meet the requirements of 3.4.4.
7

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