A group of hardened metallic blocks with parallel surfaces superfinished flat to permit wringing together. They may be in various sizes according to requirements. Tolerances are held so that accumulated error is very small. Used in set-up and inspection of precision work.
Classification: Gauges for measuring length
NSN 6110-01-273-0223
NSN 5999-01-272-1320
NSN 6645-01-459-5862
NSN 5945-01-583-1514
NSN 5990-00-170-9553
NSN 6220-01-517-7186
NSN 6610-00-350-1091
NSN 2925-01-289-6448
NSN 6240-00-674-8344
NSN 2925-01-304-4567
NSN 5925-00-964-7901
NSN 6220-01-065-3765