MIL-PRF-25508H
4.
VERIFICATION
4.1 Points of inspection (see 6.2). Unless otherwise specified, acceptance tests shall be
conducted at the site of filling prior to shipment or departure.
4.2 Conformance inspection. Quality conformance tests shall consist of the following:
a. Individual tests (Type I only)
4.2.1
b. Sampling tests
4.2.2
4.2.1 Individual tests (Type I only). Each container (cylinder or tube) shall be subjected to the
following tests as described under 4.5.
a. Filling pressure
4.5.1
b. Leakage
4.5.2
4.2.2 Sampling test. The number of oxygen containers shall be selected in accordance with
Table II and subjected to the tests required by Table I.
Table II. Sampling for test.
Number of containers in lot
Number of containers to be sampled
1
1
2 40
2
41 70
3
71 over
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4.2.3 Lot and Container Definitions
4.2.3.1 Lot: A lot shall be defined as one of the following
a. All of the oxygen supplied in one or more containers filled from one manifold at the same time.
b. All of the oxygen filled from a single storage tank that is homogenous at the time of withdrawal
and is not added to while being withdrawn. After each addition to the storage tank, the contents shall
constitute a separate lot.
4.2.3.2 Container: A container is defined as a shipping conveyance consisting of one cylinder or
tube, or multiple cylinders or tubes that are interconnected by a single manifold that equalizes the
pressure across all the cylinders or tubes to form one unit.
4.2.4 Sample. Each sample shall be of sufficient size to conduct all the quality conformance
tests as specified herein. Unless otherwise specified, the quality conformance tests shall be performed
on each required sample (see 6.2). When required, an equivalent sample shall be forwarded to a
laboratory designated by the procuring activity for testing.
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