The Terminal,lug, cataloged under National Stock Number 5940-00-421-6558, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-421-6558 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.206 INCHES IN |
| Mounting Hole Diameter | 0.500 INCHES IN |
| Maximum Conductor Size Accommodated | 0000 AWG |
| Distance From Mounting Hole Center to Mounting End | 0.593 INCHES IN |
| Features Provided | COMPOUND FILLED CONDUCTOR ACCOMMODATION AND CONDUCTOR INSPECTION ACCOMMODATION |
| Basic Shape Style | CRIMP |
| Mounting Method Style | STRAIGHT ONE HOLE |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | STRAIGHT BARREL SINGLE END |
| Surface Treatment | TIN OVERALL EXCEPT INSULATION SINGLE LAYER |
| Mounting Tongue Width | 1.187 INCHES IN |
| Material | ALUMINUM ALLOY OVERALL EXCEPT INSULATION |
| Material Thickness | 0.206 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 |
| Reference | Meaning |
|---|---|
| MS25436-31 | 2/2 Government specification standardization U.S. Government activity |
| 65181 | 5/1 Secondary reference Abb Installation Products Inc |
NSN 5940-00-421-6558 is a Terminal,lug, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 1560-00-472-8150, 4310-01-006-4247, 5977-01-369-0684. Verify interchangeability with system specifications before substitution.
Key specifications for 5940-00-421-6558: Overall Length: 2.316 INCHES IN; Mounting Facility Thickness: 0.206 INCHES IN; Mounting Hole Diameter: 0.500 INCHES IN; Maximum Conductor Size Accommodated: 0000 AWG. 13 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.