The Terminal,lug, cataloged under National Stock Number 5940-01-271-7439, 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 The Delbert Blinn Co Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5940-01-271-7439 |
| Primary Part Number | SL-571-257 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | The Delbert Blinn Co Inc |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.025 INCHES IN |
| Basic Shape Style | SOLDER |
| Mounting Method Style | STRAIGHT ONE HOLE |
| Conductor Accommodation Type | SLANT LUG W/ONE HOLE SINGLE END |
| Largest Width | 0.500 INCHES SINGLE END IN |
| Mounting Tongue Width | 0.500 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Material Thickness | 0.025 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 |
|---|---|
| SL-571-257 PRIMARY | The Delbert Blinn Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SL-571-257 | 7/9 Vendor item drawing reference Drs Sustainment Systems, Inc. |
| ES3138-609 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 5940-01-271-7439 is a Terminal,lug, manufactured by The Delbert Blinn Co Inc, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-271-7439 has 1 manufacturer part number on file: SL-571-257 (The Delbert Blinn Co Inc).
Key specifications for SL-571-257: Overall Length: 1.062 INCHES IN; Mounting Facility Thickness: 0.025 INCHES IN; Basic Shape Style: SOLDER; Mounting Method Style: STRAIGHT ONE HOLE. 8 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.