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 6135-00-125-5265
NSN 6220-01-208-4429
NSN 7035-00-445-9657
NSN 5855-01-141-8227
NSN 6150-01-354-5280
NSN 6240-01-412-3928
NSN 6240-01-068-8828
NSN 5990-01-645-2592
NSN 5950-01-445-8905
NSN 6110-01-101-6722
NSN 6145-01-112-0397
NSN 7035-01-499-9239