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 6320-01-525-4789
NSN 5998-01-368-8454
NSN 5996-01-617-2500
NSN 5985-00-376-5406
NSN 5935-01-037-4262
NSN 5999-00-887-4733
NSN 5996-01-087-3961
NSN 5965-00-035-4556
NSN 6130-01-106-3649
NSN 5920-01-159-3791
NSN 6150-01-204-8656
NSN 5905-01-420-5960