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 5920-01-317-6642
NSN 5935-00-993-2752
NSN 7035-01-019-5729
NSN 2925-01-455-2558
NSN 5996-00-904-5193
NSN 5835-01-198-2221
NSN 6645-01-137-7974
NSN 6220-01-479-6417
NSN 5925-00-383-5382
NSN 6620-01-462-5196
NSN 4140-00-555-2579
NSN 5905-01-154-2579