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 6620-01-250-1692
NSN 5985-01-353-7018
NSN 5855-01-087-1417
NSN 5835-00-402-8387
NSN 6105-01-386-1529
NSN 6645-01-319-0006
NSN 5950-01-579-4485
NSN 5925-00-812-1987
NSN 6650-00-283-0978
NSN 6150-01-400-4211
NSN 5999-01-523-2517
NSN 6130-01-524-8915