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 6650-01-152-5985
NSN 5960-01-513-3230
NSN 5915-00-758-7755
NSN 5905-00-245-3773
NSN 5996-01-564-8046
NSN 5835-01-148-5835
NSN 6320-01-429-9871
NSN 6135-00-050-7189
NSN 5998-01-301-9469
NSN 6135-01-369-5392
NSN 6240-01-009-8729
NSN 5960-01-407-1350