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 2925-00-188-5003
NSN 5935-00-149-1485
NSN 5905-01-472-6279
NSN 5905-01-412-0743
NSN 5835-01-470-7700
NSN 5950-01-612-6197
NSN 6685-01-525-7586
NSN 6685-01-658-7078
NSN 2925-01-144-7106
NSN 7035-00-135-4758
NSN 5990-01-510-4699
NSN 6685-01-432-0265