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 5945-00-247-1241
NSN 5925-00-539-3135
NSN 6110-01-443-6928
NSN 4140-01-454-0578
NSN 5855-01-013-6864
NSN 5925-01-470-8778
NSN 5945-01-050-8453
NSN 5930-01-555-8074
NSN 5950-01-416-3538
NSN 6135-01-116-3385
NSN 5985-01-382-6878
NSN 6645-00-908-0140