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 6150-01-456-2578
NSN 4140-01-073-3777
NSN 5835-01-352-6725
NSN 5835-00-356-3825
NSN 5999-00-286-4665
NSN 5905-00-431-0637
NSN 5910-01-164-5321
NSN 6620-01-478-9667
NSN 6105-00-200-8074
NSN 6620-01-067-5670
NSN 5905-01-338-5506
NSN 5996-01-525-4269