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 6610-01-621-4621
NSN 2925-01-106-3552
NSN 4140-00-531-6696
NSN 5930-01-634-0659
NSN 6220-00-357-9534
NSN 5905-01-094-6546
NSN 6150-01-586-0891
NSN 6135-00-900-2139
NSN 6645-00-404-1785
NSN 5935-01-500-1265
NSN 6110-00-466-1674
NSN 2925-00-925-0545