The Control,directional Signal Arm, cataloged under National Stock Number 2540-01-258-6740, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Item Name | Control,directional Signal Arm |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-258-6740 |
| Primary Part Number | 2057G13-008 |
| Item Name | Control,directional Signal Arm |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 2057G13-008 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 2057G13 | D/9 Drawing number reference only General Electric Company |
| 2057G13-008 | 5/9 Secondary reference General Electric Company |
| 3051G35-G01 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
NSN 2540-01-258-6740 is a Control,directional Signal Arm, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-258-6740 has 1 manufacturer part number on file: 2057G13-008 (Timken Gears & Services Inc. Div Philadelphia Gear).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-259-2071. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.