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 6320-01-249-3236
NSN 5855-00-058-1293
NSN 5985-01-443-0997
NSN 7035-00-371-7749
NSN 5990-01-568-5565
NSN 5910-00-963-7042
NSN 5925-00-929-4042
NSN 5905-01-322-0807
NSN 5855-01-222-1242
NSN 6220-01-325-3131
NSN 5855-00-631-4565
NSN 5920-01-186-3953