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 5910-00-271-7588
NSN 6650-01-034-2209
NSN 6145-01-081-5543
NSN 6320-00-456-2092
NSN 6135-00-010-5275
NSN 6610-01-366-8007
NSN 4140-01-492-8416
NSN 6685-01-350-7968
NSN 6685-00-770-2052
NSN 5910-01-273-8743
NSN 5990-01-100-1840
NSN 5985-01-287-7911