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 5920-00-126-1873
NSN 6620-01-241-9592
NSN 6135-00-900-2139
NSN 5965-00-518-0958
NSN 5996-01-623-6107
NSN 5945-01-587-7383
NSN 5945-01-468-6018
NSN 5950-01-545-2908
NSN 6320-01-414-9801
NSN 6110-01-435-7583
NSN 5950-01-504-2975
NSN 5925-01-546-1428