| EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| FASTENER LENGTH | 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM |
| HEAD DIAMETER | 0.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
| HEAD STYLE | ROUND EXTENDED WASHER |
| INTERNAL DRIVE STYLE | SLOT |
| LOCKING FEATURE | PELLET OR STRIP THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8695 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AN-P-61 MIL STD 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.548 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |