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 5975-00-879-4501
NSN 6135-01-122-4448
NSN 5855-00-433-2377
NSN 5960-01-350-5332
NSN 6145-01-093-0383
NSN 6620-00-477-7808
NSN 6645-01-523-0812
NSN 5950-00-072-7199
NSN 5835-00-009-2862
NSN 7035-01-386-3004
NSN 5999-01-602-4039
NSN 5975-01-650-1104