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 5960-01-013-9346
NSN 6320-01-309-9595
NSN 5998-00-817-4133
NSN 5960-01-474-4843
NSN 4140-01-354-1228
NSN 6220-01-256-9623
NSN 5960-01-232-7447
NSN 5855-01-569-7816
NSN 5930-01-433-2422
NSN 5895-01-633-1999
NSN 5965-01-632-6690
NSN 5998-01-464-2714