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 5905-00-866-0347
NSN 7035-01-093-7216
NSN 6645-00-155-2398
NSN 2925-00-455-2367
NSN 5950-01-416-2350
NSN 6145-01-401-3713
NSN 5950-00-547-2643
NSN 6110-00-271-9928
NSN 5920-00-246-4657
NSN 6150-01-204-0564
NSN 7035-01-145-5059
NSN 5998-01-502-2811