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 5945-01-113-8277
NSN 6105-01-449-1046
NSN 5950-00-339-4279
NSN 5910-00-269-4755
NSN 5855-00-014-5008
NSN 6130-01-176-0423
NSN 5835-00-341-5441
NSN 5920-00-997-8386
NSN 5975-00-581-9862
NSN 2925-00-105-3907
NSN 7035-01-380-0547
NSN 6650-01-196-4667