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 4140-00-182-9158
NSN 5915-01-320-8683
NSN 4140-01-271-5265
NSN 6610-01-352-4768
NSN 5998-01-602-9395
NSN 5915-00-460-4412
NSN 5915-00-584-3512
NSN 6130-01-464-4286
NSN 6220-01-621-4793
NSN 6240-01-611-7193
NSN 6320-01-384-3850
NSN 5945-01-044-9004