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 6105-00-275-0826
NSN 5945-01-106-3536
NSN 4140-01-367-8058
NSN 6220-01-463-8520
NSN 6645-00-160-0503
NSN 5895-01-142-1785
NSN 6610-01-514-7755
NSN 5996-00-240-3224
NSN 5925-01-421-3154
NSN 2925-01-327-3069
NSN 6145-01-062-6918
NSN 7035-00-299-7150