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 5960-01-347-6791
NSN 6685-00-257-2987
NSN 6110-00-887-6731
NSN 5996-01-351-6181
NSN 5905-00-399-1394
NSN 5975-01-530-1690
NSN 5910-00-371-2951
NSN 5945-01-294-7666
NSN 5920-00-655-3806
NSN 5945-01-265-2454
NSN 5998-01-461-8083
NSN 4140-01-025-9699