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 5965-00-217-2476
NSN 6220-01-142-3148
NSN 5910-00-614-4378
NSN 7035-01-057-6325
NSN 7035-00-371-7749
NSN 6150-01-412-1123
NSN 6105-01-468-2090
NSN 6105-01-219-0104
NSN 6685-01-046-2803
NSN 6320-00-977-3930
NSN 6135-01-282-4326
NSN 6135-01-442-7275