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 5975-01-140-2422
NSN 5895-00-911-4136
NSN 5910-00-584-6484
NSN 5915-00-368-4564
NSN 5895-00-157-1332
NSN 7035-01-202-9250
NSN 6220-00-910-9001
NSN 6130-01-569-4769
NSN 6240-01-428-9410
NSN 6240-00-095-3915
NSN 5990-01-393-4808
NSN 5935-01-364-1955