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 5905-00-299-8000
NSN 5960-00-382-6012
NSN 5910-00-663-5865
NSN 5990-01-482-5950
NSN 6645-01-535-5423
NSN 5855-01-333-9289
NSN 6105-01-409-0640
NSN 5945-01-124-4222
NSN 6150-00-402-8811
NSN 5905-01-284-5692
NSN 6685-00-426-2121
NSN 5915-00-580-2716