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 6610-01-445-7120
NSN 6620-00-719-9393
NSN 6320-00-593-0379
NSN 6610-01-065-6057
NSN 6130-00-417-9759
NSN 5998-01-468-3263
NSN 6135-01-551-0562
NSN 5915-01-052-9746
NSN 5945-00-361-8876
NSN 6320-01-392-6922
NSN 5910-01-408-2457
NSN 6645-00-796-7206