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 6685-00-518-5977
NSN 5985-01-291-6295
NSN 6145-00-169-4834
NSN 6220-01-575-3958
NSN 6130-01-319-8878
NSN 6110-01-214-9469
NSN 6610-01-503-2951
NSN 6685-00-153-0266
NSN 7035-00-585-2113
NSN 5965-01-382-9081
NSN 6135-01-413-4747
NSN 5998-01-309-6697