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 5996-00-782-7231
NSN 6135-01-568-9107
NSN 6150-01-645-4791
NSN 6610-01-430-5373
NSN 5999-00-727-9147
NSN 6610-00-833-5498
NSN 5996-01-398-4755
NSN 5960-00-740-7285
NSN 5905-01-075-6072
NSN 6130-00-266-7496
NSN 6620-01-139-5553
NSN 5990-01-557-7784