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 5985-00-076-4827
NSN 5950-00-930-1304
NSN 5975-01-097-3399
NSN 5985-01-659-5198
NSN 5965-00-529-0602
NSN 6110-01-105-5587
NSN 5975-00-874-7533
NSN 5985-00-642-8911
NSN 6685-00-756-7525
NSN 6145-01-327-7079
NSN 5915-00-058-9207
NSN 5950-01-207-8601