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 5985-01-018-4786
NSN 6645-01-431-0732
NSN 5855-00-494-9581
NSN 6650-00-299-9681
NSN 5985-01-138-7451
NSN 5975-00-173-1810
NSN 5996-00-256-7945
NSN 6220-00-906-0678
NSN 6645-00-344-7558
NSN 5855-01-608-5809
NSN 5950-01-226-7791
NSN 5905-00-134-0499