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 5975-01-429-9503
NSN 5925-01-385-1198
NSN 5925-01-137-0672
NSN 6320-00-731-6134
NSN 6685-01-406-5348
NSN 5950-00-787-8615
NSN 5935-00-766-3875
NSN 5895-01-210-7786
NSN 5835-01-362-1946
NSN 6130-01-258-3683
NSN 5920-01-572-7158
NSN 6620-00-730-8699