The Arm,windshield Wiper, cataloged under National Stock Number 1680-00-540-6446, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is American Concorde Systems Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-540-6446 |
| Primary Part Number | 10-20004-2 |
| Item Name | Arm,windshield Wiper |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | American Concorde Systems Inc |
| Status | ACTIVE |
| FSC Application Data | ELECTRIC WINDSHIELD WIPER INSTALLATION,ACFT |
| Spline Minor Diameter | 0.419 INCHES NOMINAL IN |
| Drive Adapter Extension | NOT INCLUDED |
| Adapter Nut | 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 | RIGHT SIDE |
| Arm Length | 19.500 INCHES NOMINAL IN |
| Spline Major Diameter | 0.438 INCHES NOMINAL IN |
| Locking Device Type | SERRATED CLIP W/TIGHTENING SCREW |
| Adjustability | NONADJUSTABLE |
| Spline Quantity | 50 |
| Adapter Type | PLAIN SLEEVE-SETSCREW |
| Painted Feature | INCLUDED |
| Drive End Locking Device | INCLUDED |
| Color | BLACK, DULL |
| Drive Shaft Adapter | INCLUDED |
| Drive End Mounting Type | SPLINE |
| Hole Diameter | 0.219 INCHES NOMINAL 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 |
|---|---|
| 10-20004-2 PRIMARY | American Concorde Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10-20004-2 | 3/2 Design control — primary reference U.S. Government activity |
| 10-20004-2 81205 | 7/2 Vendor item drawing reference U.S. Government activity |
| B19046 | 3/9 Design control — primary reference Curtiss-Wright Controls, Inc. Div Actuation Division |
NSN 1680-00-540-6446 is a Arm,windshield Wiper, manufactured by American Concorde Systems Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-540-6446 has 1 manufacturer part number on file: 10-20004-2 (American Concorde Systems Inc).
Key specifications for 10-20004-2: FSC Application Data: ELECTRIC WINDSHIELD WIPER INSTALLATION,ACFT; Spline Minor Diameter: 0.419 INCHES NOMINAL IN; Drive Adapter Extension: NOT INCLUDED; Adapter Nut: NOT INCLUDED. 20 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.