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 4140-01-198-5652
NSN 6130-01-484-6430
NSN 6240-00-051-5163
NSN 6645-00-166-6819
NSN 6150-00-791-9511
NSN 5960-00-140-9583
NSN 5975-01-270-1429
NSN 6650-01-086-7003
NSN 6610-01-026-1701
NSN 5945-01-310-2516
NSN 5920-01-488-4180
NSN 6685-01-381-0759