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 6610-01-256-7938
NSN 5996-01-483-1032
NSN 2925-00-228-8854
NSN 5855-01-484-6507
NSN 5975-00-330-0120
NSN 5935-01-356-3670
NSN 6685-01-249-1509
NSN 5996-01-550-2869
NSN 6220-00-482-1984
NSN 5998-01-454-6336
NSN 6320-01-576-6310
NSN 5855-01-076-5202