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 5895-00-534-8870
NSN 6110-00-299-3553
NSN 5930-00-024-4237
NSN 4140-01-540-0550
NSN 6105-01-334-3266
NSN 6320-01-397-0399
NSN 6685-01-065-7042
NSN 6110-01-657-1989
NSN 5905-01-572-0663
NSN 7035-01-085-5955
NSN 6685-01-394-4141
NSN 5945-00-082-1195