The Terminal,lug, cataloged under National Stock Number 5940-00-705-6721, 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 Abb Installation Products Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-705-6721 |
| Primary Part Number | TG21 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.080 INCHES IN |
| Mounting Hole Diameter | 0.266 INCHES IN |
| Maximum Conductor Size Accommodated | 6 AWG |
| Distance From Mounting Hole Center to Mounting End | 0.281 INCHES IN |
| Features Provided | CABLE WATER SEAL |
| Basic Shape Style | CRIMP |
| Mounting Method Style | STRAIGHT ONE HOLE |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | RECESSED BARREL SINGLE END |
| Surface Treatment | TIN CONDUCTOR ACCOMMODATION SINGLE LAYER |
| Surface Treatment | TIN MOUNTING FACILITY SINGLE LAYER |
| Mounting Tongue Width | 0.560 INCHES IN |
| Material | COPPER CONDUCTOR ACCOMMODATION |
| Material | COPPER MOUNTING FACILITY |
| Material Thickness | 0.080 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 |
|---|---|
| TG21 PRIMARY | Abb Installation Products Inc (USA) |
| 7056721 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 7056700 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 13217E6704-22 | 5/2 Secondary reference U.S. Government activity |
NSN 5940-00-705-6721 is a Terminal,lug, manufactured by Abb Installation Products Inc, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-705-6721 has 2 manufacturer part numbers on file: TG21 (Abb Installation Products Inc), 7056721 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 2510-00-736-5812. Verify interchangeability with system specifications before substitution.
Key specifications for TG21: Overall Length: 1.870 INCHES IN; Mounting Facility Thickness: 0.080 INCHES IN; Mounting Hole Diameter: 0.266 INCHES IN; Maximum Conductor Size Accommodated: 6 AWG. 15 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.