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 6320-01-177-3192
NSN 5920-00-014-7684
NSN 6110-01-433-9944
NSN 6685-00-148-8116
NSN 5985-00-151-3829
NSN 5950-01-231-8892
NSN 5855-00-962-5792
NSN 5835-01-192-4165
NSN 5996-00-807-8749
NSN 6610-01-585-9255
NSN 6645-00-022-8691
NSN 6610-00-224-8821