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 5975-01-172-2322
NSN 6220-00-295-2960
NSN 6220-00-838-0182
NSN 6240-01-394-5320
NSN 6105-00-156-4312
NSN 5920-01-094-7284
NSN 6105-01-515-1231
NSN 6620-01-084-5112
NSN 5915-01-563-4161
NSN 5999-01-367-7775
NSN 6610-01-494-7578
NSN 5950-01-477-7761