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 5975-01-122-3448
NSN 6130-01-130-9415
NSN 6320-01-176-8367
NSN 5930-00-905-4100
NSN 6320-01-652-3806
NSN 5920-00-281-2488
NSN 6685-01-481-8859
NSN 5975-00-126-5724
NSN 2925-00-583-9669
NSN 6145-01-431-8803
NSN 5920-01-473-3489
NSN 5975-01-606-6938