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 5835-00-419-6576
NSN 5910-00-611-1242
NSN 5975-01-357-9479
NSN 6135-00-767-0331
NSN 5915-01-261-6754
NSN 6220-01-588-8244
NSN 6145-00-904-0279
NSN 5965-00-393-1294
NSN 6650-01-359-5385
NSN 7035-00-299-7150
NSN 6320-01-191-6717
NSN 5999-01-290-4850