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 5925-01-113-7793
NSN 6145-00-286-9588
NSN 5945-01-446-0954
NSN 6610-01-044-4740
NSN 5930-01-258-4409
NSN 5975-00-179-1747
NSN 6685-01-376-3734
NSN 6645-01-241-4300
NSN 5950-01-456-5660
NSN 6610-01-083-1446
NSN 5910-00-220-3522
NSN 5910-00-456-0824