The Terminal,lug, cataloged under National Stock Number 5940-01-277-0540, 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 Penn-Union Corp Div Penn-Union Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5940-01-277-0540 |
| Primary Part Number | BLU-1/0D |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Penn-Union Corp Div Penn-Union Corp |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.062 INCHES IN |
| Mounting Hole Diameter | 0.328 INCHES IN |
| Maximum Conductor Size Accommodated | 0 AWG |
| Distance From Mounting Hole Center to Mounting End | 0.437 INCHES IN |
| Basic Shape Style | CRIMP |
| Mounting Method Style | STRAIGHT TWO HOLE |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | STRAIGHT BARREL SINGLE END |
| Center to Center Distance Between Mounting Holes Along Length | 0.875 INCHES IN |
| Mounting Tongue Width | 0.750 INCHES IN |
| Material | COPPER OVERALL |
| Material Thickness | 0.062 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 |
|---|---|
| BLU-1/0D PRIMARY | Penn-Union Corp Div Penn-Union Corp (USA) |
| CL1/0-2N PRIMARY | Southport Industries, Inc. (USA) |
| 54255 | Abb Installation Products Inc (USA) |
| Reference | Meaning |
|---|---|
| DPLS 10-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5940-01-277-0540 is a Terminal,lug, manufactured by Penn-Union Corp Div Penn-Union Corp, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-277-0540 has 3 manufacturer part numbers on file: BLU-1/0D (Penn-Union Corp Div Penn-Union Corp), CL1/0-2N (Southport Industries, Inc.), 54255 (Abb Installation Products Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-338-9524, 5930-01-559-0978. Verify interchangeability with system specifications before substitution.
Key specifications for BLU-1/0D: Overall Length: 3.062 INCHES IN; Mounting Facility Thickness: 0.062 INCHES IN; Mounting Hole Diameter: 0.328 INCHES IN; Maximum Conductor Size Accommodated: 0 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.