Downloaded from https://www.everyspec.com APPENDIX C MIL-STD-31000A C.7.9.7 Missing or incorrect use of symbols in tolerance blocks and dimensions Missing diameter symbol in size dimensions on left, shown correctly on right. b. Missing R for radius dimension c. Missing S for spherical diameter dimension d. Missing tolerance for hole diameter b. Correct inclusion of R in radius dimension c. Correct inclusion of S in spherical diameter dimension d. Tolerance correctly applied to diameter dimension 130