The M39029/121-666 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CONTACT, overall_length: 0.855 INCHES NOMINAL IN, mounting_method: CRIMP, overall_diameter: 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, style_designator: SOCKET CONTACT, precious_material: GOLD. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5999-01-681-4474, 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 | COPPER ALLOY CONTACT |
| overall_length | 0.855 INCHES NOMINAL IN |
| mounting_method | CRIMP |
| overall_diameter | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| style_designator | SOCKET CONTACT |
| precious_material | GOLD |
| surface_treatment | GOLD CONTACT |
| cable_entrance_diameter | 0.046 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| end_item_identification | 2355-01-648-7836 |
| mounting_facility_quantity | 1 |
| terminal_type_and_quantity | 1 CRIMP BACK |
| precious_material_and_location | CONTACT SURFACE GOLD |
| NSN | 5999-01-681-4474 |
| TERMINAL TYPE AND QUANTITY | 1 CRIMP BACK |
| SURFACE TREATMENT | GOLD CONTACT |
| MOUNTING METHOD | CRIMP |
| END ITEM IDENTIFICATION | 2355-01-648-7836 |
| OVERALL LENGTH | 0.855 INCHES NOMINAL IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CONTACTS, ELECTRICAL CONNECTOR, SOCKET, CRIMP REMOVABLE, EXPANDED PERFORMANCE, (FOR MIL-DTL-38999 SERIES III CONNECTORS) |
| CABLE ENTRANCE DIAMETER | 0.046 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| MOUNTING FACILITY QUANTITY | 1 |
| OVERALL DIAMETER | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| PRECIOUS MATERIAL AND LOCATION | CONTACT SURFACE GOLD |