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 6110-01-360-0453
NSN 6220-00-279-1508
NSN 5915-01-010-3380
NSN 5905-01-432-1730
NSN 5925-00-539-8372
NSN 6320-00-036-3688
NSN 6145-01-347-2403
NSN 5925-01-566-3242
NSN
NSN 6110-01-023-8496
NSN 6645-01-658-5624
NSN 2925-01-385-6661