| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 4.2 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.41 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 31.0 MILLIMETERS MINIMUM AND |
| 40.0 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| MATERIAL | STEEL PRIMARY WASHER |
| STEEL FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | GM 6010-M CAGEC 11862 MFR REF SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| GM 6010-M CAGEC 11862 MFR REF SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | CHROMIUM PRIMARY WASHER |
| CHROMIUM FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4215-M CODE 50 CAGEC 11862 MFR REF SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| GM 4251-M CODE 50 CAGEC 11862 MFR REF SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | OVAL COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 6.82 MILLIMETERS MINIMUM AND |
| 7.35 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 40.0 MILLIMETERS NOMINAL |
| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND |
| 92.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 8.95 MILLIMETERS MINIMUM AND |
| 9.45 MILLIMETERS MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.35 MILLIMETERS MINIMUM AND |
| 0.50 MILLIMETERS MAXIMUM |