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 5855-01-411-3360
NSN 6685-01-113-8005
NSN 6650-00-138-8605
NSN 6145-00-966-2377
NSN 2925-01-093-5479
NSN 5920-01-655-8624
NSN 6650-01-437-9557
NSN 2925-01-013-0413
NSN 6220-01-508-3408
NSN 6110-01-266-7072
NSN 6135-01-163-0332
NSN 5965-01-412-4419