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 5925-00-954-6419
NSN 6150-01-421-3672
NSN 6110-00-072-6683
NSN 5975-01-600-7726
NSN 5835-01-566-5462
NSN 5925-01-143-8385
NSN 6110-01-004-9870
NSN 5905-01-013-8273
NSN 6645-01-642-3637
NSN 6645-00-151-5280
NSN 6110-01-190-9177
NSN 5996-00-156-5967