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 6320-01-366-5157
NSN 4140-01-386-5630
NSN 5905-00-480-5360
NSN 5950-01-013-9013
NSN 6650-01-464-3545
NSN 5996-01-445-5528
NSN 5910-01-136-6476
NSN 5996-01-005-7148
NSN 5990-00-424-1598
NSN 6105-00-004-6941
NSN 6150-01-262-8612
NSN 5835-00-334-6556