MIL-PRF-22344E
can be found as enclosure (1) of BUMEDINST 6270.8. The HHA is a review of the insulation based on
information submitted by the manufacturer, to assess health hazards associated with the handling, application, use
and removal of the product. The insulation shall not cause any environmental problems during waste disposal (see
4.6 and 6.5).
3.10 Workmanship. Insulation shall be free of defects in appearance and dimensions.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3)
4.2 First article inspection. First article inspection shall consist of the examination of 4.4.1 and tests
specified in 4.5.
4.2.1 First article unit. The first article unit shall consist of one segment of each thickness acquired at
any one time.
4.3 Conformance inspection. Conformance inspection shall consist of the examination of 4.4.1 and the
test of 4.5.1.
4.3.1 Lot. A lot shall consist of units representative in material and manufacturing process of all items
offered under this document, except that samples for testing for conformance to 3.3 and 3.8 shall be taken from
the actual lots to be shipped. Units of different size and thickness may be considered in one lot, provided there is
no variation in material or process across the range. Where material and process varies across the range of size
and thickness offered, additional samples shall be tested to characterize these variations. A unit is defined as a
single length of pipe insulation of either the split or slit form.
4.3.2 Samples. Samples shall be selected randomly from the lot. The number of samples subjected to
the examination of 4.4.1 and tests of 4.5.1 shall be in accordance with table I.
Table I. Sampling for conformance inspection.
Lot Size
Sample Size
Accept
Reject 1/2/3/
2 - 15
2
0
1
16 - 25
3
0
1
26 - 90
5
0
1
91 - 150
6
0
1
151 - 280
7
0
1
281 - 500
9
0
1
501 - 1200
11
0
1
1201 - 3200
13
0
1
3201 - over
15
0
1
1/ All defective items shall be replaced with acceptable items prior to lot acceptance.
2/ Inspect sample size until reject criteria is reached.
3/ Rejected lots may be screened and resubmitted for inspection and retest.
4
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