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 6650-01-437-9557
NSN 5950-01-024-0930
NSN 7035-00-929-0363
NSN 6610-01-226-7612
NSN 5925-01-238-9414
NSN 5930-01-529-6777
NSN 6620-01-237-5603
NSN 5910-01-187-2690
NSN 6135-01-603-8367
NSN 6150-01-269-0370
NSN 6145-00-655-2738
NSN 6130-01-340-9712