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 5950-00-286-3301
NSN 6620-00-236-7148
NSN 6220-00-298-9302
NSN 7035-00-941-4949
NSN 6240-00-405-5888
NSN 5835-00-257-2852
NSN 5905-01-462-9232
NSN 5990-01-147-5225
NSN 5855-00-494-9581
NSN 5835-01-119-8561
NSN 5925-01-165-2923
NSN 6135-01-648-2284