| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5625 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM SHANK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-6871,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE SHANK |
| STYLE DESIGNATOR | UNDERCUT |
| SHANK LENGTH | 3.500 INCHES NOMINAL |
| SHOULDER DIAMETER | 1.250 INCHES NOMINAL |
| SHANK DIAMETER | 0.8738 INCHES MINIMUM AND |
| 0.8743 INCHES MAXIMUM |
| OVERALL LENGTH | 3.685 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.8138 INCHES MINIMUM AND |
| 0.8143 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.060 INCHES NOMINAL |
| FIRST END STYLE | SQUARE |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| FIRST END LOCATION | SHOULDER END |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.190 INCHES NOMINAL |
| HOLE ARRANGEMENT STYLE | BOTH END DRILLED |
| FIRST HOLE DIAMETER | 0.256 INCHES MINIMUM AND |
| 0.261 INCHES MAXIMUM |
| SECOND HOLE DIAMETER | 0.061 INCHES MINIMUM AND |
| 0.066 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 0.797 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN HOLES | 2.333 INCHES NOMINAL |
| SURFACE FINISH | 32.0 MICROINCHES SHANK END |
| SPECIAL FEATURES | SHANK-0.357 TO 0.362 IN. DIA BORE 2.620 IN. DEEP COUNTERBORED TO 0.562 IN. DIA 0.430 IN. DEEP; SHOULDER END-0.211 TO 0.217 IN. DIA BORE 0.750 IN. DEEP,THREADED |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 17576 |
| DESIGN CONTROL REFERENCE | 538010 |