| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.548 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DEPTH | 0.838 INCHES MINIMUM AND 0.848 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.186 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| FASTENER LENGTH | 1.648 INCHES NOMINAL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| HEAD DIAMETER | 0.835 INCHES NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| MATERIAL DOCUMENT AND CLASSIFICATION | G-1010 COMP 4330V FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.4925 INCHES MINIMUM AND 0.4936 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.168 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-8837 TY 2 CL1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEST DATA DOCUMENT | 81349-MIL-I-6868 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 | 0.480 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |