A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Classification: Check valves of steel
NSN 6130-01-495-3339
NSN 6110-01-314-8027
NSN 4140-01-435-5412
NSN 5925-01-338-3494
NSN 5965-00-067-0290
NSN 5990-01-507-7495
NSN 5835-01-386-4027
NSN 5985-00-431-4462
NSN 7035-00-616-4410
NSN 6240-01-361-9167
NSN 5975-00-817-4476
NSN 5996-01-324-4422