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 6320-01-585-8468
NSN 5996-00-827-8651
NSN 5975-00-057-9415
NSN 5905-01-017-0414
NSN 2925-01-333-6017
NSN 5925-01-384-3402
NSN 6650-00-866-9947
NSN 5925-01-044-5508
NSN 6135-00-377-9165
NSN 5935-01-525-5316
NSN 5910-00-342-4338
NSN 5999-01-254-8514