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 5975-01-207-0508
NSN 5910-00-917-9737
NSN 5915-01-588-0419
NSN 5945-01-451-4798
NSN 5945-00-916-0988
NSN 6150-01-510-0350
NSN 5960-01-412-0619
NSN 5998-01-141-7012
NSN 6220-00-138-0589
NSN 5999-00-953-1810
NSN 5960-01-067-3156
NSN 2925-00-246-3077