The Splice,conductor, cataloged under National Stock Number 5940-00-280-4143, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is National Telephone Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-280-4143 |
| Primary Part Number | 263 |
| Item Name | Splice,conductor |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | National Telephone Supply Co |
| Status | ACTIVE |
| Maximum Conductor Size Accommodated | 16 AWG |
| Basic Shape Style | TWISTING SLEEVE |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | STRAIGHT BARREL ALL ENDS |
| Surface Treatment | TIN CONDUCTOR ACCOMMODATION SINGLE LAYER |
| Material | COPPER CONDUCTOR ACCOMMODATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 16C0PPER | Lucent Technologies Inc Corporate Headquarters (USA) |
| 263 PRIMARY | National Telephone Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 16C0PPER | 5/9 Secondary reference At and T Corp |
| 16C0PPER | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 16C0PPER | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5940-00-280-4143 is a Splice,conductor, manufactured by National Telephone Supply Co, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-280-4143 has 2 manufacturer part numbers on file: 16C0PPER (Lucent Technologies Inc Corporate Headquarters), 263 (National Telephone Supply Co).
Key specifications for 263: Overall Length: 1.500 INCHES IN; Maximum Conductor Size Accommodated: 16 AWG; Basic Shape Style: TWISTING SLEEVE; Electrical Insulation Feature: UNINSULATED. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.