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 6320-01-651-7476
NSN 5835-00-196-9771
NSN 6685-01-276-2681
NSN 5945-01-018-9842
NSN 5910-00-244-9651
NSN 5945-01-234-8056
NSN 5855-00-298-0261
NSN 2925-00-355-5130
NSN 6150-00-941-8810
NSN 6685-00-258-2257
NSN 5985-01-376-5429
NSN 5835-01-442-6482