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 5975-01-050-3241
NSN 5975-01-384-1456
NSN 5915-01-620-3268
NSN 6105-01-146-5335
NSN 6320-01-103-6218
NSN 6685-01-150-3252
NSN 5895-01-625-4502
NSN 6610-01-102-2256
NSN 5855-00-327-2112
NSN 5950-01-209-9268
NSN 5935-01-632-6726
NSN 5855-00-879-7245