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 6145-00-162-6230
NSN 5910-00-096-7611
NSN 6650-01-168-8451
NSN 5965-00-284-9411
NSN 5975-00-104-5399
NSN 5925-00-050-1297
NSN 5975-01-273-0158
NSN 5920-00-246-4657
NSN 5996-01-350-9771
NSN 5925-01-096-7604
NSN 6220-00-517-9300
NSN 5960-01-593-4760