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 5930-00-116-8211
NSN 5975-00-133-4330
NSN 6110-00-279-5613
NSN 5920-01-100-8939
NSN 5910-01-368-3865
NSN 5835-01-592-2350
NSN 6145-00-145-3484
NSN 5985-01-027-0777
NSN 6645-01-550-9669
NSN 5985-01-522-0409
NSN 5965-01-033-9352
NSN 5945-01-337-8562