Mayfield component; swivels in 360 deg; compatible with the mayfield skull clamp, gardner skull clamp, mayfield swivel horseshoe, and mayfield general purpose headrests
NSN 5915-00-552-1779
NSN 5895-01-551-6215
NSN 5930-00-199-9466
NSN 5925-00-523-2755
NSN 5945-01-484-6927
NSN 6105-01-181-6304
NSN 5965-00-368-8204
NSN 6620-00-449-1973
NSN 5930-01-105-8149
NSN 6320-01-185-3857
NSN 6610-00-152-7216
NSN 5925-01-651-3059