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 5910-00-890-5721
NSN 6320-00-908-6841
NSN 5975-01-408-1292
NSN 5965-00-524-5521
NSN 6240-00-184-5823
NSN 5895-00-170-4568
NSN 6130-01-586-7359
NSN 5950-01-120-0380
NSN 6320-01-506-9439
NSN 6110-00-929-6125
NSN 6650-01-091-2435
NSN 5975-01-406-3294