| DISTANCE FROM CENTERLINE TO FLAT | 0.200 INCHES NOMINAL |
| FASTENER LENGTH | 1.531 INCHES MINIMUM AND 1.563 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| HEAD HEIGHT | 0.220 INCHES NOMINAL |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1013 OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| RIB LENGTH | 0.160 INCHES NOMINAL |
| RIB MAJOR DIAMETER | 0.385 INCHES MINIMUM AND 0.389 INCHES MAXIMUM |
| RIB MINOR DIAMETER | 0.356 INCHES MINIMUM AND 0.366 INCHES MAXIMUM |
| RIB QUANTITY | 36 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | G-4435-M CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.971 INCHES MINIMUM AND 1.093 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |