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 4140-01-539-8629
NSN 6110-01-111-5846
NSN 4140-01-614-6210
NSN 5920-01-523-6799
NSN 2925-00-611-6711
NSN 5996-01-351-6181
NSN 5925-00-244-0711
NSN 5895-01-494-8922
NSN 5930-01-422-0537
NSN 6220-01-418-0383
NSN 5960-01-415-3574
NSN 2925-01-027-1293