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 6685-01-333-7515
NSN 6650-01-399-8552
NSN 5905-01-083-2284
NSN 6220-00-034-7280
NSN 6150-01-265-1142
NSN 5950-01-551-1972
NSN 6130-00-122-1377
NSN 5950-01-347-2503
NSN 5945-00-201-9726
NSN 5910-01-382-4739
NSN 6320-01-449-1014
NSN 2925-01-206-7948