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 5835-01-426-6573
NSN 6145-00-596-8447
NSN 5915-00-281-8175
NSN 6130-00-361-7114
NSN 4140-01-021-3639
NSN 6130-00-758-1167
NSN 5999-00-621-3276
NSN 6645-01-005-8622
NSN 5975-01-535-7120
NSN 5965-01-430-4292
NSN 6685-01-093-1488
NSN 6645-00-975-2103