MIL-DTL-81905G(AS)
3.4.14 Adhesive. The adhesive for adhering the attachment patches to the coated bladder
material shall be one part polyurethane cement (see 6.6).
3.4.15 Connector. The connector for the inflation tube shall conform to MIL-C-83390.
3.4.16 Rubber Sleeve. The rubber sleeve for the connector shall be tubing conforming to
MIL-PRF-6855, class 2, grade 40 or 60, shall be 3 ±1/16 inches long; shall have an outer diameter
of ¾ ±1/16 inches and shall have a wall thickness of 1/8 ±1/32 inches. No silicone or any other
lubricant shall be applied to either the rubber sleeve or the connector prior to assembling the
rubber sleeve to the connector.
3.4.17 Clamps. The clamps for securing the connector to the inflation tube and external
inflation tube shall conform to NAS397-14 and NAS397-16. Clamps C3122BE-14 and
C3122BE-16 are acceptable substitutes for the NAS clamps. The clamp for the alternate method
of securing the connector to the inflation tube and external inflation tube shall be Oetiker Clamp
One Ear Step less 25.6 MM (1.01) ID, PN: 16700031.
3.4.18 Leather reinforcement. The leather for the reinforcement patch over the inflation
sleeve opening shall be black and shall conform to MIL-L-43283, type I, except that the
thickness shall be 2 to 2½ ounces or MIL-DTL-32092, type I, black, thickness 2 to 2½ ounces.
3.4.19 Springs for spacer tube. The material for the springs of the spacer tube shall be round
0.016 inch diameter composition 304, with a minimum tensile strength of 306.000 psi and a
maximum of 336.000 psi in accordance with ASTM A313/A313M, form II, condition B, at 28
coils per inch.
3.4.20 Mesh cloth for the spacer tube. The cloth for the spacer tube shall be a netting/mesh
cloth with approximately 14 x 12 strand count per inch, hole size 0.05 x 0.08 inch, 0.020 thick,
and 19 pounds per 1000 feet squared or may be a material that has been approved by the
procuring activity before bladder manufacture.
3.4.21 Rubber band. The rubber band shall be ¾ inch ±1/32 inside diameter, 1¼ ±1/16 inches
long, and 0.035-inch minimum thickness. The color of the rubber band shall be black
conforming to FED-STD-595 colors 27040, 37038, or 37056 or green conforming to
FED-STD-595 colors 34096, 34097, or 34128. The rubber shall conform to MIL-PRF-6855 class
2, type A.
3.4.22 Webbing textile, elastic. The elastic for the kneeboard subassembly shall conform to
MIL-W-5664, type I, class I and shall be 1 inch wide and cut in lengths specified in table V. The
color of the elastic shall approximately match the shade of the basic material in 3.4.1.1 or be
black.
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