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 5910-01-191-1126
NSN 6110-01-330-2699
NSN 5855-00-779-2854
NSN 5925-01-358-3248
NSN 6110-00-338-9015
NSN 5855-01-147-6024
NSN 5835-00-247-0161
NSN 6685-01-496-8443
NSN 7035-01-426-4133
NSN 5965-01-463-8176
NSN 6105-00-149-7956
NSN 7035-01-406-5232