| MATERIAL | STEEL OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | HYTEN B3X MFR REF 1ST MATERIAL RESPONSE OR |
| 3X-40 FSCM 01338 MFR REF 2ND MATERIAL RESPONSE OR |
| AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | GROOVE |
| OVERALL LENGTH | 0.750 INCHES NOMINAL |
| DIAMETER | 0.3759 INCHES MINIMUM AND |
| 0.3761 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.553 INCHES MINIMUM AND |
| 0.573 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.284 INCHES MINIMUM AND |
| 0.285 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.053 INCHES MINIMUM AND |
| 0.057 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| FIRST END LOCATION | BOTH ENDS |
| SURFACE FINISH | 32.0 MICROINCHES OUTSIDE DIAMETER |
| SPECIAL FEATURES | 8-32NC-2B THREADS 0.375 IN. NOMINAL DP ON GROOVED END 0.167 IN. MIN AND 0.174 IN. MAX DIA HOLE THROUGH PIN |