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|  MIL-L-25798D(USAF)
If the barometric pressure changes during
4.3.3 Barometric corrections.
the leakage test, adjustment shall be made on the basis of change in pressure
of 0.489 psi per inch (mercury) change in barometric pressure.
The qualification test samples (life preservers
4,4 Qualification tests.
and materials) shall be subjected to the qualification tests specified in
4,4.2,
The qualification test samples shall consist of two
4.4.1 Test samples.
life preservers and material samples, (accompanied by test reports) as speci-
fied in the letter of authorization.
4.4.2 Tests,
Qualification tests shall consist of all tests described
under 4.7.
Acceptance tests shall consist of:
4.5 Acceptance tests.
Individual tests.
a.
Sampling tests.
b.
4,5.1 Individual tests. Each life preserver shall be subjected to the
following tests as described under 4.7:
Examination of product.
a.
b,
Operation.
Pressure.
c*
d,
Leakage.
Cylinder weight.
e.
The life preservers may be corrected and submitted to
4.5,1,1 Rejection.
the procuring activity for acceptance, but an air-retaining seam shall not be
reworked, under any circumstances , more than one time.
4.5.2 Sampling plans and tests.
A lot shall consist of life preservers manufacturered under
4.5,2.1 Lot.
essentially the same conditions and submitted for inspection at substantially
the same time. A lot shall not exceed 200 life preservers for sampling plans
A and B and shall be in accordance with inspection level S-3 of MIL-STD-105
for sampling plan C.
4.5.2,2 Sampling plan A. One life preserver, selected at random from each
lot of 200 or fraction thereof, shall be subjected to the following tests as
described under 4.7:
Burst.
a.
b.
Oral valve attachment"
Color matching.
c.
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