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 2925-01-483-9147
NSN 6130-01-364-8830
NSN 5950-00-555-2881
NSN 6620-01-151-0620
NSN 5990-01-270-1015
NSN 6220-00-877-2151
NSN 5855-01-398-0090
NSN 6110-01-151-0872
NSN 6620-01-306-1347
NSN 5925-01-137-3752
NSN 5895-01-170-3510
NSN 6135-01-626-9374