57142: KEY,SOCKET HEAD SCREW.
Dynamic height adjustment and independent depth adjustment let each user find their own optimal ergonomic position. A high-end design for lighter monitors, that guides cables along the arm's extensions to create a tidy, professional impression. This part is cataloged in the U.S.
Government catalog under NSN 3040-00-588-0939, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| overall_length | 199.0 MILLIMETERS MAXIMUM MM |
| long_arm_length | 171.0 MILLIMETERS MINIMUM AND 185.0 MILLIMETERS MAXIMUM MM |
| short_arm_length | 21.0 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM MM |
| style_designator | L-HANDLE |
| features_provided | SHORT SERIES |
| surface_treatment | OXIDE OVERALL |
| wrenching_surface_size | 19.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| wrenching_surface_shape | HEXAGON BOTH ENDS EXTERNAL |
| specification/standard_data | 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| NSN | 3040-00-588-0939 |
| FSC APPLICATION DATA | TELETYPE AND FACSIMILE EQUIPMENT |
| STEP QUANTITY | 4 |
| FIRST END DIAMETER | 0.2500 INCHES NOMINAL IN |
| SECOND END DIAMETER | 0.3535 INCHES NOMINAL IN |
| LARGEST STEP DIAMETER | 0.3740 INCHES NOMINAL IN |
| FIRST END STYLE | PLAIN |
| OVERALL LENGTH | 3.0148 INCHES NOMINAL IN |
| END SIMILARITY | NOT IDENTICAL |
| SPECIAL FEATURES | 0.0525 IN. BACK FROM FIRST END THERE IS A FLAT CUT AT 60.0 DEG TO 0.220 IN. DIA; LARGEST STEP HAS FLAT CUT AT 60.0 DEG TO 0.344 IN. DIA; HOLE 0.086 IN. DIA; SECOND END INTERNAL THREADED HOLE 0.203 IN. DIA; 10-32UNF-2B THD; FINISH IS E211 PER MIL-F-14072 AND PHOSPHATED PER SPEC K-F-1103; PORTIONS OF SHAFT HEAT TREATED TO ROCKWELL C 45-57 IN |
| SECOND END STYLE | INTERNAL THREADED |
No substitute or cross-reference records for this part.