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 6685-01-355-6190
NSN 5965-01-512-9925
NSN 6220-01-581-7214
NSN 5945-01-389-1160
NSN 6240-01-083-1657
NSN 5990-00-120-2140
NSN 6105-00-287-0989
NSN 5998-01-141-1217
NSN 2925-01-532-0781
NSN 6320-01-036-2598
NSN 6145-01-313-4010
NSN 6240-01-479-1930