The Arm,windshield Wiper, cataloged under National Stock Number 2540-01-159-7955, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-159-7955 |
| Primary Part Number | LE-721143-1 |
| Item Name | Arm,windshield Wiper |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Drive Adapter Extension | NOT INCLUDED |
| Drive End Drive Shaft Mounting Hole | INCLUDED |
| Mounting Position | UNIVERSAL |
| Arm Length | 10.750 INCHES MINIMUM AND 15.000 INCHES MAXIMUM IN |
| Painted Feature | NOT INCLUDED |
| Drive End Locking Device | NOT INCLUDED |
| Drive Shaft Adapter | NOT INCLUDED |
| Hole Diameter | 0.700 INCHES NOMINAL IN |
| 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 |
|---|---|
| LE-721143-1 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| LA-606-18 | 5/9 Secondary reference Pettibone Llc |
NSN 2540-01-159-7955 is a Arm,windshield Wiper, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-159-7955 has 1 manufacturer part number on file: LE-721143-1 (United Technologies Corp Electro Systems Inc).
Key specifications for LE-721143-1: Drive Adapter Extension: NOT INCLUDED; Drive End Drive Shaft Mounting Hole: INCLUDED; Mounting Position: UNIVERSAL; Arm Length: 10.750 INCHES MINIMUM AND 15.000 INCHES MAXIMUM IN. 8 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.