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 5965-01-202-1007
NSN 6105-01-408-3298
NSN 6130-00-081-9879
NSN 6130-00-528-7838
NSN 5985-01-226-4311
NSN 5855-01-290-3248
NSN 5835-00-177-2970
NSN 5965-01-436-0390
NSN 6110-00-402-7637
NSN 6650-01-422-1037
NSN 2925-01-604-8984
NSN 6145-01-234-7680