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 5945-00-081-9140
NSN 4140-01-323-7214
NSN 6130-01-076-5968
NSN 5910-01-265-8620
NSN 6150-00-058-8669
NSN 5999-01-389-4138
NSN 5925-01-500-1352
NSN 5998-01-027-1222
NSN 5985-00-488-7440
NSN 6240-01-253-0687
NSN 5985-01-648-7466
NSN 6145-00-821-4418