The Motor,windshield Wiper,electric, cataloged under National Stock Number 2540-00-262-7578, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Stewart-Warner Corporation. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2540-00-262-7578 |
| Primary Part Number | EX25046A |
| Item Name | Motor,windshield Wiper,electric |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| Shaft Thread Size | 0.190-32 |
| Mounting Hole Quantity | 2 |
| Terminal Quantity | 1 |
| Mounting Hole Thread Provision | UNTHREADED |
| Actuating Shaft End Connection Type | SERRATED OR THREADED OR PIVOT ARM |
| Terminal Type | PUSH-IN |
| Switch | INCLUDED |
| Design Type | OSCILLATING ARM |
| Mounting Hole Spacing | 4.000 IN. C TO C IN |
| Shaft Screw Thread Length | 0.344 INCHES NOMINAL IN |
| Actuating Shaft Length | 0.740 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN |
| Mounting Method | BRACKET(S) OR THREADED SLEEVE |
| Voltage in Volts | 12.0 |
| Mounting Hole Diameter | 0.328 INCHES NOMINAL IN |
| Sleeve Thread Size | 0.500-27 |
| Sleeve Thread Direction | RIGHT-HAND |
| Sleeve Diameter | 0.498 INCHES MAXIMUM IN |
| Switch Type | INTEGRAL |
| Throw Angle in Deg | 95.0 |
| Actuating Shaft Largest Diameter | 0.245 INCHES NOMINAL IN |
| Shaft Thread Direction | RIGHT-HAND |
| Manual Operation Facility | NOT PROVIDED |
| Shaft Thread Series Designator | NS |
| Serration Shape | TAPERED |
| Connection Quantity | 2 |
| Fuse | NOT INCLUDED |
| Speed Control Type | TWO |
| Sleeve Length | 1.156 INCHES NOMINAL IN |
| Sleeve Thread Series Designator | NS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2540-00-262-7578 is a Motor,windshield Wiper,electric, manufactured by Stewart-Warner Corporation, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-262-7578 has 2 manufacturer part numbers on file: C128393 (U S Army Tank Automotive Command Amsta-Im-Mm), EX25046A (Stewart-Warner Corporation).
Key specifications for EX25046A: Shaft Thread Size: 0.190-32; Mounting Hole Quantity: 2; Terminal Quantity: 1; Mounting Hole Thread Provision: UNTHREADED. 29 specifications are documented in the U.S. Government catalog.
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.