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 5945-00-833-8948
NSN 5930-00-555-3007
NSN 6645-00-055-2170
NSN 5920-01-516-6837
NSN 5920-01-182-8745
NSN 4140-00-243-6664
NSN 5975-00-372-6265
NSN 6645-01-109-8780
NSN 2925-01-300-6602
NSN 5996-01-232-0067
NSN 5965-00-253-1254
NSN 5985-01-319-4635