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 5965-01-026-1752
NSN 5965-00-391-0562
NSN 7035-01-511-4094
NSN 5930-00-177-8490
NSN 5835-00-740-0246
NSN 6130-01-010-3603
NSN 5975-00-469-5577
NSN 5985-01-085-6288
NSN 5930-01-645-0616
NSN 5945-00-147-4305
NSN 5999-01-171-5478
NSN 5960-00-548-9823