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 6650-01-384-0529
NSN 5855-01-007-9541
NSN 5910-00-082-0989
NSN 6130-00-291-0589
NSN 5920-00-276-8657
NSN 5895-00-525-3295
NSN 5990-01-388-9264
NSN 5895-01-172-9655
NSN 5965-01-080-9808
NSN 5996-01-304-9119
NSN 6650-01-330-6740
NSN 5910-00-446-1957