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 materials other than copper, iron or steel
NSN 5910-00-548-1739
NSN 6240-01-411-0637
NSN 2925-01-262-1418
NSN 6110-01-455-2745
NSN 6130-01-590-1630
NSN 6105-01-067-9320
NSN 6135-01-485-9082
NSN 6105-00-664-1292
NSN 6130-01-282-8301
NSN 6105-00-281-8185
NSN 5996-01-426-1920
NSN 5945-01-386-9615