The Terminal,lug, cataloged under National Stock Number 5940-00-666-3559, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-666-3559 |
| Primary Part Number | A12814-4 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.018 INCHES IN |
| Mounting Hole Diameter | 0.123 INCHES IN |
| Maximum Conductor Size Accommodated | 14 AWG |
| Basic Shape Style | SOLDER |
| Mounting Method Style | RING |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | SLANT LUG W/ONE HOLE SINGLE END |
| Largest Width | 0.156 INCHES SINGLE END IN |
| Surface Treatment | TIN OVERALL SINGLE LAYER |
| Mounting Tongue Width | 0.312 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Material Thickness | 0.018 INCHES IN |
| 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 |
|---|---|
| A12814-4 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2524-04-00 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 509B4-21 | 5/2 Secondary reference U.S. Government activity |
NSN 5940-00-666-3559 is a Terminal,lug, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-666-3559 has 1 manufacturer part number on file: A12814-4 (Raytheon Company Dba Raytheon Co).
Key specifications for A12814-4: Overall Length: 0.547 INCHES IN; Mounting Facility Thickness: 0.018 INCHES IN; Mounting Hole Diameter: 0.123 INCHES IN; Maximum Conductor Size Accommodated: 14 AWG. 12 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.