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 5990-01-380-7815
NSN 5915-00-219-6893
NSN 5920-01-425-7496
NSN 5960-01-025-2526
NSN 5985-01-323-0508
NSN 5835-00-160-7142
NSN 6645-01-469-0192
NSN 6220-00-369-5422
NSN 5960-01-472-5263
NSN 6130-01-632-2761
NSN 4140-01-459-4376
NSN 6685-01-231-5127