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 5855-01-441-1392
NSN 5855-01-295-2313
NSN 6620-01-100-0431
NSN 6240-01-521-4256
NSN 5925-01-460-4121
NSN 5910-01-490-4294
NSN 5999-01-167-1566
NSN 6610-00-250-5344
NSN 5985-00-526-3469
NSN 5915-01-419-9071
NSN 6320-01-340-4112
NSN 6610-01-622-4326