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 5930-01-602-9356
NSN 6620-01-474-4951
NSN 6110-00-103-2740
NSN 6240-00-494-0927
NSN 6145-01-576-4743
NSN 6650-00-671-5106
NSN 5985-01-370-4108
NSN 5895-01-347-1873
NSN 5925-00-895-3649
NSN 6320-01-519-0916
NSN 5910-01-482-9653
NSN 5990-00-822-9269