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 6145-01-319-1007
NSN 7035-00-104-7613
NSN 6220-00-994-5033
NSN 5996-01-393-7166
NSN 5975-00-155-7065
NSN 5960-01-235-2586
NSN 5999-00-681-5155
NSN 4140-01-465-6296
NSN 7035-01-435-7962
NSN 5996-00-573-9940
NSN 5996-00-166-0037
NSN 5855-01-539-0639