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 steel
NSN 5950-00-389-3760
NSN 5950-01-113-4125
NSN 5998-01-300-9182
NSN 5998-01-221-2960
NSN 5910-01-587-5217
NSN 5915-01-084-7251
NSN 5925-01-355-6523
NSN 6110-01-570-1618
NSN 5855-01-472-2302
NSN 5930-01-597-2009
NSN 5855-01-118-2210
NSN 6320-01-592-6248