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 6110-01-376-7253
NSN 5835-00-170-5238
NSN 2925-00-511-0325
NSN 5965-01-501-5638
NSN 5915-00-126-6627
NSN 5930-01-224-8299
NSN 5905-00-661-2395
NSN 6145-01-470-9503
NSN 5910-01-477-5341
NSN 5855-01-058-6687
NSN 5950-01-571-3662
NSN 5950-01-465-1679