An accurately finished element of a gage which is used for the dimensional control of the diameter of a specified hole.
NSN 5920-00-140-8912
NSN 6620-00-451-8783
NSN 5910-01-432-2214
NSN 5835-01-493-1826
NSN 2925-01-283-3576
NSN 5996-01-292-9346
NSN 2925-00-159-9003
NSN 6110-01-553-5191
NSN 5950-01-219-8017
NSN 5930-00-403-2776
NSN 5965-00-957-5200
NSN 2925-00-228-8854