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 5965-01-633-8849
NSN 5895-00-024-7368
NSN 7035-00-760-5479
NSN 5930-00-437-8130
NSN 5975-00-123-6441
NSN 2925-01-586-4574
NSN 6105-01-440-8407
NSN 6320-01-624-0193
NSN 5835-01-537-1228
NSN 6105-00-759-5509
NSN 6620-01-367-2597
NSN 2925-00-233-5644