Painted gray
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.
Classification: Check valves of steel
NSN 5915-01-315-9450
NSN 4140-01-477-7422
NSN 6620-01-552-4980
NSN 6685-01-435-1467
NSN 7035-01-145-5059
NSN 5965-00-246-5612
NSN 6240-01-659-4063
NSN 6110-00-125-8581
NSN 2925-00-620-7757
NSN 5855-01-363-8646
NSN 6150-00-153-3196
NSN 6220-01-476-6221