MIL-DTL-27516G
3.3.2.9 Aluminum parts. All aluminum moving parts and parts subject to wear shall be given a hard
anodic coating.
3.3.3 Caps plugs, and clamps.
3.3.3.1 Caps. Male couplings in accordance with SAE-AS38404 shall be provided with protective,
closed end, reusable threaded metal caps. The metal cap shall not be chemically affected by corrosion-
preventive compound in accordance with grade I of MIL-PRF-16173. The male couplings in accordance
with A-A-59326 shall be provided with dust caps in accordance with A-A-59326/10, type IX and shall be of
the same class as the male couplings, except with a 1/16 inch diameter wire rope in accordance with type
II composition B of MIL-DTL-83420 in lieu of the sash chain.
3.3.3.2 Plugs. Female couplings in accordance withSAE-AS38404 shall be provided with protective,
closed end, reusable threaded metal plugs. The metal plug shall not be chemically affected by corrosion-
preventive compound in accordance with grade I of MIL-PRF-16173. The female couplings in
accordance with A-A-59326 shall be provided with dust plug in accordance with A-A-59326/11, type X
and shall be of the same class as the female couplings, except with a 1/16 inch diameter wire rope in
accordance with type II composition B of MIL-DTL-83420 in lieu of the sash chain.
3.3.3.3 Hose clamps. Two hose clamps shall be provided for each coupling half less than 6 inches
(152.4 mm) ID. For hose sizes 6 inch (152.4 mm) and larger ID the coupling half shall have three clamps.
Hose clamps shall be in accordance with A-A 52506, type H, style optional. Bands and buckles shall be
300 series corrosion-resistant steel.
3.3.3.3.1 Band width.
a. Hose ID less than 4 inch (101.6 mm) shall be .500 inch (12.70 mm) minimum.
b. Hose ID 4 inch and larger the band width shall be .750 inch (19.05mm).
3.3.3.4 Unisex couplings dust caps. Unisex couplings in accordance with A-A-59377 shall be
furnished with protective closed end, reusable caps.
3.3.3.5 Unisex coupling top coat. Unless otherwise specified, see 1.5.4, the A-A-59377 coupling
assembly color is a non-vivid and lusterless shade of tan, except the valve lever, bumper and dust cap
are a lusterless shade of black. If required all exposed metal surfaces shall be coated with either
primer/topcoat in accordance with MIL-PRF-85582, type I, class N, MIL-PRF-85285, type II or III, class H
or MIL-PRF-24635, type III or IV, class 2 or 3, and grade A.. The colors shall be in accordance with,
FED-STD-595/15044, FED-STD-595/16081, FED-STD-595/24052, or FED-STD-595/33446, see table IV.
3.4 Physical characteristics.
3.4.1 Diameter. Hose and hose assemblies shall be furnished in the sizes specified in 1.2.
3.4.2 Length. Hose and hose assembly length shall be as specified by the procuring activity (see 6.2)
with a tolerance of ±2 percent. Length of the hose assembly shall be measured from the interface ends of
the couplings while the hose assembly is subjected to 10 ±1 psig (69 ±7 KPa).
3.4.3 Weight. Weight of the hose shall be not greater than the values listed in table VI.
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