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 5835-01-324-8739
NSN 6135-00-577-8429
NSN 6145-01-038-7043
NSN 5855-00-252-5743
NSN 5855-01-205-7030
NSN 5960-01-495-0859
NSN 6220-01-425-3804
NSN 5965-00-340-6790
NSN 6240-01-561-0326
NSN 5920-00-967-1396
NSN 5925-00-999-9320
NSN 5965-01-464-0220