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 materials other than copper, iron or steel
NSN 6240-01-412-0715
NSN 6645-01-304-0889
NSN 6685-01-013-8915
NSN 6220-01-166-3696
NSN 6645-01-537-6994
NSN 6130-00-957-1996
NSN 4140-01-065-9367
NSN 6650-01-562-0096
NSN 5855-00-862-3345
NSN 6685-01-569-1546
NSN 5965-01-237-3342
NSN 5915-00-785-6428