MIL-DTL-24487B (SH)
3.9 Workmanship. Tiles shall be uniform in quality and condition, having no defects that will affect their
installation and use.
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)
4.1.1 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed in
accordance with the test conditions specified herein.
4.2 First article inspection. First article inspection shall consist of the examination and tests specified in
Table IV (see 6.3). Government representatives may witness qualification inspections.
4.2.1 Specimens required. The following specimens shall be provided for the first article inspection:
a. Ten tiles, each 11.875 inches (30.2 cm) square, or as specified (see 6.2)
b. Three sheets of the rubber compound, each 6 by 6 by 0.080 ± 0.010 inches (15 by 15 by 0.20 ± 0.025
cm). The sheets shall be made from the same rubber compound as the test tiles and have an
equivalent cure.
The specific gravity and hardness of the specimen tiles shall establish the reference values for conformance
inspections (see 4.5.2.1 and 4.5.3.1). These tiles shall have no major or minor defects (see 4.4).
TABLE IV. First article inspection.
Examinations, measurements, and tests
Specimens required
Requirements
Test
Performed on tiles:
Specific gravity
5 tiles
3.2
4.5.2
Hardness
5 tiles
3.2
4.5.3
Adhesion
1 tile
3.2
4.5.7
Form
1 tile
3.3
4.4.1.3
Dimensions
5 tiles
3.4
4.4.1
Weight
1 tile
3.5
4.4.2
Flame retardance
1 tile
3.6
4.5.5
Vibration damping
3 tiles
3.7
4.5.8
Identification
----
3.8
4.4
Performed on rubber sheets:
Initial tensile strength and ultimate elongation
1 rubber sheet
3.2
4.5.4.1
Tensile strength and ultimate elongation after
1 rubber sheet
3.2
4.5.4.2
oven aging
Volume change after water immersion
1 rubber sheet
3.2
4.5.6
4.3 Conformance inspection. Conformance inspection shall consist of the examination and test specified
in Table V. Government representatives may witness conformance inspections.
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