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 6130-01-015-8067
NSN 6620-01-418-7562
NSN 5950-00-354-3316
NSN 4140-01-611-8126
NSN 5950-01-231-1968
NSN 5960-00-156-0702
NSN 5925-01-442-6487
NSN 5930-00-265-5822
NSN 5930-01-625-8519
NSN 5999-01-029-7615
NSN 5965-00-081-9412
NSN 6650-01-090-2059