An item designed to be mounted around and secured to the main tube and extension tube(s) of a borescope to center and balance it in a cannon bore.
NSN 5990-01-433-7886
NSN 6110-01-348-2951
NSN 6135-01-512-8740
NSN 5999-01-146-4374
NSN 6150-01-508-2081
NSN 4140-00-455-9645
NSN 6685-01-327-3286
NSN 6130-00-257-8038
NSN 7035-01-512-1826
NSN 6130-01-418-0786
NSN 5960-01-570-8605
NSN 5985-01-544-9143