| CONCENTRIC HOLE DIAMETER | 1.046 INCHES MINIMUM AND 1.059 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 1.340 INCHES MINIMUM AND 1.352 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 5.600 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 12.235 INCHES MINIMUM AND 12.245 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 12.730 INCHES NOMINAL |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | C-05-1190,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 270000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM FIRST HOLE |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| WIDTH BETWEEN FLATS | 2.750 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LC+77-1036 MFR REF 1ST TREATMENT RESPONSE AND LC+77-2035 FSCM 36659 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMIUM OVERALL |
| TEST DATA DOCUMENT | 36659-LC+72-1076 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.515 INCHES MINIMUM AND 1.555 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 12 |