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 5960-01-192-3128
NSN 5999-01-221-4026
NSN 6110-01-411-6660
NSN 5975-01-359-1333
NSN 6130-01-599-4491
NSN 6645-01-434-5674
NSN 5950-01-332-4300
NSN 5945-01-421-1808
NSN 5930-01-389-1908
NSN 2925-01-164-9579
NSN 5990-01-034-4532
NSN 5895-01-119-9115