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 5990-01-303-9920
NSN 5835-01-120-8829
NSN 5996-01-093-6971
NSN 7035-01-499-9239
NSN 6145-00-982-2812
NSN 6685-01-238-9496
NSN 6645-01-229-2497
NSN 5920-01-620-9524
NSN 6150-00-553-1535
NSN 5998-00-491-2591
NSN 5925-00-903-8025
NSN 5950-01-265-0328