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 materials other than copper, iron or steel
NSN 6240-01-301-0717
NSN 6130-01-274-4635
NSN 6220-00-222-5663
NSN 6320-00-731-6134
NSN 6220-01-049-6349
NSN 6645-01-250-2702
NSN 6610-01-628-6044
NSN 6110-01-466-7539
NSN 5975-01-281-9859
NSN 6620-01-369-3589
NSN 5915-01-074-4093
NSN 5945-00-159-7628