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 5985-01-195-4028
NSN 5996-01-383-7018
NSN 6645-01-187-3704
NSN 5910-01-034-7496
NSN 6220-01-044-0708
NSN 6105-01-510-5312
NSN 5998-01-202-0544
NSN 5990-00-513-5328
NSN 6110-01-297-8066
NSN 6620-00-234-3369
NSN 6130-01-442-6052
NSN 6130-00-013-2131