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 6145-01-240-8174
NSN 5996-01-332-9607
NSN 6240-00-968-9274
NSN 6320-01-607-1491
NSN 6610-01-187-1748
NSN 5985-01-381-3192
NSN 5910-01-418-0991
NSN 2925-01-014-0118
NSN 6105-01-577-5310
NSN 6145-01-611-1074
NSN 2925-01-406-7837
NSN 5998-01-552-0807