| FASTENER LENGTH | 0.472 INCHES NOMINAL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM STAND-OFF |
| HEAD DIAMETER | 0.314 INCHES NOMINAL |
| HEAD HEIGHT | 0.110 INCHES NOMINAL |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 420 PRIMARY WASHER |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| MATERIAL | STEEL COMP 304 STAND-OFF |
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD LENGTH | 0.230 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |