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 6130-00-104-8196
NSN 5930-01-574-9911
NSN 5920-01-417-6578
NSN 6620-01-423-0833
NSN 5990-01-128-6140
NSN 6645-01-177-6021
NSN 6135-00-078-9931
NSN 5960-01-353-5947
NSN 6685-01-467-1907
NSN 6240-01-442-0435
NSN 6685-01-305-9119
NSN 6320-00-228-5678