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 6620-00-475-9985
NSN 6320-01-247-0898
NSN 5990-01-633-9503
NSN 6150-00-661-0184
NSN 5855-00-832-9341
NSN 5910-01-498-4323
NSN 5945-01-421-9051
NSN 6685-00-145-8902
NSN 6685-01-114-7366
NSN 6130-01-086-8130
NSN 5996-01-580-4604
NSN 6650-01-123-7249