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 5910-00-214-9332
NSN 6240-00-222-9392
NSN 6620-00-482-1073
NSN 6320-01-379-1182
NSN 5935-01-185-4155
NSN 6685-01-174-0873
NSN 5945-01-237-2592
NSN 5990-00-518-3195
NSN 6135-00-935-8769
NSN 5935-01-611-9769
NSN 5920-00-633-0404
NSN 6610-01-550-2368