| COUNTERBORE DEPTH | 0.190 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.343 INCHES NOMINAL |
| KEY CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| KEY CHAMFER LENGTH | 0.050 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS 970 EN25 CONDITION X NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR SPEC HWS4 GROUP 12A MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE DEPTH | 1.000 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.312 INCHES |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED |
| MOUNTING HOLE THREAD CLASS | 2B |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 18 |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC |
| OVERALL HEIGHT | 2.5005 INCHES NOMINAL |
| OVERALL LENGTH | 6.300 INCHES NOMINAL |
| OVERALL WIDTH | 0.575 INCHES NOMINAL |
| STARTING EDGE SHAPE | CHAMFERED |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF 29 CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR SPEC HWS4 GROUP 530 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |