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 5920-01-398-7123
NSN 6105-01-589-9754
NSN 4140-01-378-6710
NSN 6620-01-351-6870
NSN 5920-01-623-9957
NSN 5960-01-578-5537
NSN 2925-01-068-3262
NSN 7035-01-086-2922
NSN 5985-01-071-7292
NSN 7035-01-499-0680
NSN 5965-01-056-7225
NSN 5910-01-498-5075