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 2925-01-649-7543
NSN 5950-01-474-5010
NSN 5910-01-245-0720
NSN 5985-01-162-0146
NSN 5975-01-460-8313
NSN 6685-00-005-1288
NSN 5960-00-153-7115
NSN 5945-00-835-5694
NSN 5905-00-369-1644
NSN 6650-01-588-4687
NSN 5920-01-020-7659
NSN 6150-00-465-9437