The Terminal,lug, cataloged under National Stock Number 5940-01-021-1874, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5940-01-021-1874 |
| Primary Part Number | AB53 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER |
| Surface Treatment Document and Classification | MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER |
| Mounting Facility Thickness | 0.030 INCHES IN |
| Mounting Hole Diameter | 0.196 INCHES IN |
| Material Document and Classification | QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION |
| Material Document and Classification | QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE MOUNTING FACILITY |
| Maximum Conductor Size Accommodated | 12 AWG |
| Basic Shape Style | CRIMP |
| Mounting Method Style | RING |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | CLAMPING BARREL EARS SINGLE END |
| Largest Width | 0.310 INCHES SINGLE END IN |
| Surface Treatment | TIN CONDUCTOR ACCOMMODATION SINGLE LAYER |
| Surface Treatment | TIN MOUNTING FACILITY SINGLE LAYER |
| Mounting Tongue Width | 0.310 INCHES IN |
| Material | COPPER CONDUCTOR ACCOMMODATION |
| Material | COPPER MOUNTING FACILITY |
| Material Thickness | 0.030 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 |
NSN 5940-01-021-1874 is a Terminal,lug, manufactured by Abb Installation Products Inc, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-021-1874 has 2 manufacturer part numbers on file: AB14-10A (Abb Installation Products Inc), AB53 (Abb Installation Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 5320-01-367-3969. Verify interchangeability with system specifications before substitution.
Key specifications for AB53: Overall Length: 0.550 INCHES IN; Surface Treatment Document and Classification: MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE CONDUCTOR ACCOMMODATION SINGLE LAYER; Surface Treatment Document and Classification: MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE MOUNTING FACILITY SINGLE LAYER; Mounting Facility Thickness: 0.030 INCHES IN. 18 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.