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 5930-00-297-8848
NSN 5920-01-457-6741
NSN 5965-01-622-2493
NSN 5935-01-460-0149
NSN 5895-01-265-1095
NSN 5935-01-311-7309
NSN 5996-00-484-9196
NSN 5960-00-740-7285
NSN 5996-01-473-2183
NSN 5975-01-420-3369
NSN 5990-00-277-3763
NSN 4140-01-457-0942