MIL-DTL-87174A(USAF)
h.
Sample H: When procured as part of the HGU55/P helmet acquisition (see 6.2),
one each of the following components.
(1)
Visor Assembly, Lightweight (Neutral Gray - MBU12/P Trim)
(2)
Headset, Electrical H154/A1C Assembly
(3)
Absorbent Liner Assembly, Medium or Large
(4)
Retainer Jack
(5)
Pad Set, Fittings, Earcup
(6)
Bayonet Receiver Kit
(7)
Cover Lens Assembly
(8)
Lens bag
4.3.2 Qualification testing. The qualification test samples shall be subjected to the tests listed in
table II.
TABLE II. Qualification tests.
Characteristic
Test
Requirement
Test
Sample
Paragraph
4.5.1
A
Materials
3.2
4.5.1, 4.5.2, 4.5.4
A
Design and construction
3.3
B
Shell finish adhesion
3.4.1
4.5.5
B
Liner adhesion compatibility
3.4.8
4.5.13
C
Heat exposure
3.4.2
4.5.6
D
Windblast protection
3.4.5
4.5.9
E
Impact protection
3.4.4
4.5.8
F
Penetration resistance
3.4.3
4.5.7
G
Weight
3.8
4.5.12
H
Dimensional examination
3.3, 3.5
4.5.1, 4.5.2
3.5.2.1
I
Visor lens optical characteristics
4.5.10
J
Coating abrasion resistance
3.5.2.1
4.5.11
4.4
Quality conformance inspection. Quality conformance inspections shall consist of the
individual tests specified herein. Lot sizes shall be specified by the procuring activity (see 6.2).
4.4.1 Individual tests. Each helmet assembly and associated components, if applicable, shall be
subjected to the following tests:
9
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