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 6150-00-989-2169
NSN 5996-00-422-3328
NSN 6135-00-932-3136
NSN 5895-01-347-0630
NSN 5945-01-134-8246
NSN 6150-01-021-2104
NSN 5855-01-149-4110
NSN 5985-00-247-8595
NSN 6150-00-646-7923
NSN 6220-01-076-4383
NSN 5965-00-892-1094
NSN 6320-00-098-2858