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 6240-01-111-3394
NSN 6685-00-434-9156
NSN 6220-01-388-4420
NSN 5915-01-288-5929
NSN 5855-00-908-9296
NSN 5935-01-196-8110
NSN 5950-01-314-3902
NSN 5915-01-384-2642
NSN 5935-01-524-2239
NSN 5945-01-025-9810
NSN 7035-01-088-6415
NSN 5910-00-477-0975