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 5990-01-357-6175
NSN 6620-01-397-4131
NSN 5960-00-938-2829
NSN 6240-01-472-5577
NSN 5999-01-180-5829
NSN 7035-00-541-8516
NSN 6145-01-411-6454
NSN 6685-01-268-3521
NSN 6650-01-483-9191
NSN 6240-01-474-5446
NSN 5998-00-868-2645
NSN 5990-01-608-9271