| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.846 INCHES NOMINAL FIRST HOLE |
| HEAD HEIGHT | 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | C-05-1190,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 270000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHOULDER DIAMETER | 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 3.420 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SHANK UNTHREADED HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 1.250 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LC+77-2035,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE 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 CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.497 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |