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 4140-01-255-6966
NSN 5996-01-555-7089
NSN 2925-00-295-8109
NSN 6650-01-014-4581
NSN 6685-01-486-2737
NSN 6130-01-281-7268
NSN 5895-01-006-6490
NSN 6320-00-284-1524
NSN 5910-00-403-3655
NSN 6110-01-088-2988
NSN 6685-01-162-8326
NSN