The Arm,windshield Wiper, cataloged under National Stock Number 1680-01-030-7239, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-030-7239 |
| Primary Part Number | XW20343-1285B4 |
| Item Name | Arm,windshield Wiper |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Spline Minor Diameter | 0.406 INCHES NOMINAL IN |
| Drive Adapter Extension | NOT INCLUDED |
| Drive End Drive Shaft Mounting Hole | INCLUDED |
| Mounting Method | PIN(S) BLADE |
| Pin Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Position | UNIVERSAL |
| Arm Length | 13.625 INCHES NOMINAL IN |
| Spline Major Diameter | 0.422 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| Spline Quantity | 50 |
| Painted Feature | INCLUDED |
| Drive End Locking Device | NOT INCLUDED |
| Color | BLACK, DULL |
| Drive Shaft Adapter | NOT INCLUDED |
| Drive End Mounting Type | SPLINE |
| Hole Diameter | 0.187 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| XW20343-1285B4 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
NSN 1680-01-030-7239 is a Arm,windshield Wiper, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-030-7239 has 1 manufacturer part number on file: XW20343-1285B4 (Emerson Electric Co Alco Controls Div).
Key specifications for XW20343-1285B4: Spline Minor Diameter: 0.406 INCHES NOMINAL IN; Drive Adapter Extension: NOT INCLUDED; Drive End Drive Shaft Mounting Hole: INCLUDED; Mounting Method: PIN(S) BLADE. 16 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.
NSN 1680-01-030-7239 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.