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 5910-01-473-9181
NSN 6645-00-964-3020
NSN 5930-01-289-0280
NSN 5910-01-485-7317
NSN 5960-00-707-3335
NSN 5915-00-199-0781
NSN 5945-01-377-5804
NSN 6145-00-898-0219
NSN 6105-01-506-2661
NSN 2925-01-417-6815
NSN 6105-00-035-8809
NSN 6685-00-646-6232