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 6150-01-381-5676
NSN 6240-00-280-8502
NSN 5999-00-476-2222
NSN 5835-01-270-7899
NSN 6610-00-087-8096
NSN 6620-01-431-0706
NSN 6685-00-163-3116
NSN 2925-01-132-5827
NSN 6130-01-104-4371
NSN 6145-01-634-0388
NSN 6610-00-508-1728
NSN 5985-00-205-9568