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 6150-01-564-8363
NSN 7035-01-605-3375
NSN 6145-00-403-5154
NSN 5985-00-237-5199
NSN 5999-00-020-0099
NSN 5915-01-459-8059
NSN 2925-01-386-7392
NSN 5998-00-417-3026
NSN 6240-00-053-1421
NSN 5996-01-455-6495
NSN 2925-00-583-9669
NSN 6220-00-087-0284