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 7035-00-782-7046
NSN 5965-00-407-1275
NSN 5835-01-359-2575
NSN 5999-01-144-5560
NSN 5998-00-411-4965
NSN 6645-01-246-7129
NSN 6240-01-432-5092
NSN 4140-01-293-9315
NSN 5835-01-412-6901
NSN 6105-01-267-5501
NSN 6220-01-474-0494
NSN 6320-00-456-2092