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 6220-01-416-2829
NSN 6110-01-433-7430
NSN 5945-00-975-0047
NSN 6220-01-436-3850
NSN 5920-00-800-8998
NSN 6610-01-042-0687
NSN 5835-01-642-4705
NSN 4140-01-507-6627
NSN 6645-01-435-8356
NSN 6685-00-246-5349
NSN 5920-01-330-7119
NSN 5960-01-221-0498