| CONCENTRIC HOLE DEPTH | 4.230 INCHES MINIMUM AND 4.270 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.624 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.920 INCHES MINIMUM AND 0.960 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 2.115 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.259 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
| FASTENER LENGTH | 5.300 INCHES MINIMUM AND 5.320 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 1.145 INCHES MINIMUM AND 1.165 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI E4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OVERALL |
| NOMINAL THREAD DIAMETER | 1.125 INCHES |
| SHOULDER DIAMETER | 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.502 INCHES MINIMUM AND 3.522 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.308 INCHES MINIMUM AND 1.318 INCHES MAXIMUM |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.778 INCHES MINIMUM AND 1.818 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 12 |