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 6685-00-498-4299
NSN 6240-00-204-0459
NSN 5975-01-450-8534
NSN 5935-00-142-9160
NSN 5905-01-490-4213
NSN 6240-00-770-3372
NSN 4140-00-482-2668
NSN 5985-00-285-8466
NSN 5945-00-099-9540
NSN 6220-01-265-1077
NSN 5945-00-232-8432
NSN 5915-01-468-0053