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 5910-00-163-3561
NSN 5996-01-033-5018
NSN 5920-01-245-2400
NSN 5965-01-162-2632
NSN 6130-01-461-2039
NSN 5920-00-007-5165
NSN 5920-00-167-2700
NSN 6130-00-907-7425
NSN 6645-00-720-3953
NSN 5895-00-928-7371
NSN 5905-01-603-9769
NSN 5930-01-010-3283