The Motor,windshield Wiper,vacuum, cataloged under National Stock Number 2540-01-083-7525, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-083-7525 |
| Primary Part Number | 40AW281 |
| Item Name | Motor,windshield Wiper,vacuum |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Mounting Hole Thread Size | 0.250-20 |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Connection Fitting | INCLUDED |
| Mounting Hole Thread Provision | THREADED |
| Connection Thread Size | 0.250-28 |
| Actuating Shaft End Connection Type | SERRATED |
| Design Type | OSCILLATING ARM |
| Connection Thread Series Designator | UNF |
| Mounting Hole Spacing | 7.625 IN. C TO C IN |
| Actuating Shaft Length | 5.500 INCHES NOMINAL IN |
| Mounting Method | BRACKET(S) |
| Speed Type | CONSTANT |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Hole Thread Direction | RIGHT-HAND |
| Throw Angle in Deg | 80.0 |
| Connection Thread Location | INTERNAL |
| Actuating Shaft Largest Diameter | 0.690 INCHES NOMINAL IN |
| Connection Thread Direction | RIGHT-HAND |
| Valve Type | INTEGRAL |
| Manual Operation Facility | NOT PROVIDED |
| Control Valve | PROVIDED |
| Serration Shape | TAPERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 40AW281 PRIMARY | Oshkosh Defense Llc (USA) |
| CH25730-2FSCH PRIMARY | Trico Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40AW281 | 5/9 Secondary reference Oshkosh Corp |
| CH-25730 | D/9 Drawing number reference only Trico Products Corporation |
NSN 2540-01-083-7525 is a Motor,windshield Wiper,vacuum, manufactured by Oshkosh Defense Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-083-7525 has 2 manufacturer part numbers on file: 40AW281 (Oshkosh Defense Llc), CH25730-2FSCH (Trico Products Corporation).
Key specifications for 40AW281: Mounting Hole Quantity: 2; Mounting Hole Thread Size: 0.250-20; Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Connection Fitting: INCLUDED. 23 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.