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 5910-00-339-2198
NSN 6240-01-524-0510
NSN 2925-00-465-6354
NSN 5960-01-491-9916
NSN 5930-01-579-9612
NSN 5925-01-336-0182
NSN 5998-00-004-4483
NSN 5835-01-070-9324
NSN 5985-01-619-3306
NSN 2925-01-025-0082
NSN 6240-01-501-5688
NSN 4140-00-069-5154