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 5999-00-180-4282
NSN 6150-00-442-1425
NSN 6610-01-349-6333
NSN 5935-01-073-9677
NSN 5935-00-281-1237
NSN 6240-01-183-5425
NSN 5910-00-707-4900
NSN 5965-00-204-8513
NSN 5996-01-565-8951
NSN 5985-01-214-1540
NSN 6685-00-249-2797
NSN 2925-00-192-1166