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 5990-01-179-1000
NSN 6610-01-160-2526
NSN 6150-00-537-4333
NSN 2925-01-539-9795
NSN 5950-00-584-4571
NSN 5990-01-116-2181
NSN 6650-01-331-5243
NSN 6645-00-829-8868
NSN 6610-01-443-7988
NSN 5998-01-165-0090
NSN 6610-00-588-4036
NSN 5855-01-533-3888