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 5855-00-014-5008
NSN 6240-00-538-0920
NSN 5965-00-117-4214
NSN 6105-01-575-0769
NSN 6685-01-395-5227
NSN 6145-01-602-0239
NSN 5999-00-052-5598
NSN 5965-00-170-8676
NSN 6240-01-394-5320
NSN 6610-00-388-9188
NSN 5930-01-421-2715
NSN 6685-01-172-5482