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 5998-00-820-3874
NSN 6240-00-222-9392
NSN 4140-01-229-8820
NSN 6240-00-342-9756
NSN 5920-00-563-3161
NSN 6150-01-374-4654
NSN 5998-01-051-2198
NSN 5998-01-442-3206
NSN 5930-01-069-2776
NSN 5915-00-344-7480
NSN 5965-00-578-1438
NSN 6130-01-394-1041