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 5945-01-089-1400
NSN 4140-00-869-9032
NSN 2925-00-764-0167
NSN 7035-01-105-0191
NSN 6130-00-549-2607
NSN 5950-01-441-1961
NSN 6145-01-088-0387
NSN 5990-01-243-4233
NSN 5945-00-991-3828
NSN 2925-00-275-1807
NSN 6145-01-360-9285
NSN 5925-01-339-6540