No other part numbers with same form, fit, and function found.
An item used for guiding a cannon bore erosion gage when measuring the amount of erosion of the bore diameter of cannons.
NSN 5905-01-293-3873
NSN 6650-01-338-6042
NSN 6645-00-646-6631
NSN 5998-01-120-3754
NSN 5910-01-010-8357
NSN 4140-01-152-9161
NSN 5990-00-343-1813
NSN 6110-01-076-0642
NSN 6105-01-179-6563
NSN 6650-00-249-5553
NSN 6320-00-422-9006
NSN 5975-01-223-4082