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 5935-01-240-3945
NSN 5960-01-076-4708
NSN 5985-01-079-4491
NSN 5996-01-553-1118
NSN 6150-01-332-9481
NSN 5975-01-348-9723
NSN 6145-00-471-3975
NSN 5895-00-339-3014
NSN 6650-00-320-8683
NSN 5895-00-681-9721
NSN 7035-01-568-5351
NSN 5935-00-122-3509