MIL-DTL-44117B
Pull tab (fastened to the buckle assembly and non replaceable) - (see Drawing 8-2-615)
Attachment Assembly Tab (stitched to the liner) - (see Drawing 8-2-616)
3.4 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible, provided
that the material meets or exceeds the requirements of this document, and promotes economically
advantageous life cycle costs. This does not permit the use of material reclaimed from any other
contract that has failed a previous lot inspection.
3.5 Materials and components. Materials and components shall be as specified on the
applicable drawings and as specified herein.
3.5.1 Ballistic material. The reinforcing material specified in 3.5.1.1 shall be coated on both
sides with equal amounts of the laminating resin specified in 3.5.1.2.
3.5.1.1 Cloth, ballistic, aramid (reinforcing material). The aramid ballistic cloth (reinforcing
material) for the helmet shell shall conform to Type III, Class 3 of MIL-DTL-44050.
3.5.1.2 Laminating resin. The resin for coating and laminating the reinforcing material shall be
a catalyzed system composed of 50 percent phenol formaldehyde and 50 percent polyvinyl butyral
resins when tested as specified in 4.5.2. The resin content of the coated reinforcing material shall
be 15 to 18 percent solids by weight (volatile free, see 6.7) based on the uncoated reinforcing
material weight. The color and appearance of the material with the resin shall be pigmented to
match the color of the standard sample 3.2 and the coating specified in 3.5.3 when tested as
specified in 4.2.
3.5.2 Edging. The edge shall be made of a rubber compound in a suitable matching color and
shall conform to the Grade, Type, Class, and suffix requirements of 3BC 615 AF17 Z of ASTM D
2000. The suffix letter Z indicates the special requirements that the edging when used in
conjunction with the specified adhesive in 3.5.2.1 and procedure specified in 3.6.9.2 shall meet the
adhesion requirements of 3.7.4 and 3.7.5 when tested as specified in 4.5.3 and 4.5.4. The edging
design and dimensions shall conform to Drawing 8-2-644 and 8-2-607. The length shall be
sufficient to conform to the contours of the helmet. As an option, the edging may be a one piece
molded construction.
3.5.2.1 Adhesive for bonding helmet shell edge beading. The adhesive shall be of a synthetic
rubber-base type, as specified on Drawing 8-2-601 and 8-2-607, for bonding the helmet shell edge
beading and it shall meet the requirements specified in 3.7.4 and 3.7.5 when tested as specified in
4.5.3 and 4.5.4.
3.5.3 Coating. The coating for finishing the helmet shell shall conform to MIL-DTL-64159.
The color shall be FED-STD 595/34094 Camouflage Green 483 unless otherwise specified in the
contract or solicitation.
3.5.4 Texturing of coating. Texturing aggregate incorporated in the second coat (see 3.6.9.3)
for the outer surface of the helmet shell shall be banded silica sand as specified in 3.5.4.1 or walnut
shell flour as specified in 3.5.4.2.
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