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 copper having a pressure rating of 850 kpa or over
NSN 5975-00-644-4972
NSN 5996-01-554-4783
NSN 5930-00-022-2756
NSN 5905-01-512-0507
NSN 5975-00-886-8200
NSN 5990-01-472-2447
NSN 6645-00-292-0093
NSN 2925-00-530-3673
NSN 6685-01-363-8826
NSN 6105-01-030-2739
NSN 6650-01-624-4079
NSN 6220-01-427-2333