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 5985-01-013-9448
NSN 5910-01-195-5842
NSN 5915-01-095-5810
NSN 6105-01-299-7280
NSN 5965-01-265-6814
NSN 6135-01-625-0765
NSN 6220-00-337-7504
NSN 5910-01-089-9785
NSN 6240-01-609-9806
NSN 6685-01-083-6634
NSN 6150-01-288-7224
NSN 2925-01-244-3016