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 6650-00-450-3504
NSN 6320-01-516-3836
NSN 5965-00-113-9748
NSN 5835-00-237-2879
NSN 6645-01-006-6735
NSN 5895-01-009-1580
NSN 5920-01-439-3790
NSN 6130-00-721-4156
NSN 5910-00-719-5407
NSN 5905-01-196-6818
NSN 6610-01-343-2609
NSN 5990-01-195-3693