A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5855-01-598-2062
NSN 6610-01-381-0652
NSN 6220-01-439-0523
NSN 5965-01-029-5222
NSN 4140-00-643-0115
NSN 5975-01-366-1564
NSN 5915-00-811-5443
NSN 6240-01-298-0470
NSN 5945-01-520-7211
NSN 5965-01-569-1009
NSN 5930-00-295-3859
NSN 5950-01-029-1437