The Arm,windshield Wiper, cataloged under National Stock Number 2540-01-552-0421, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Deere & Co. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2540-01-552-0421 |
| Primary Part Number | AT304634 |
| Item Name | Arm,windshield Wiper |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Mounting Method | SADDLE BLADE |
| Arm Length | 15.748 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| 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 |
|---|---|
| AT304634 PRIMARY | Deere & Co (USA) |
| AT304634 | Rdo Agriculture Equipment Co (USA) |
| AT304634 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| AT304634 | Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| AT304634 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
| AT304634 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
NSN 2540-01-552-0421 is a Arm,windshield Wiper, manufactured by Deere & Co, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-552-0421 has 4 manufacturer part numbers on file: AT304634 (Deere & Co), AT304634 (Rdo Agriculture Equipment Co), AT304634 (Rdo Equipment Rdo Equipment Pty Ltd), AT304634 (Rdo Equipment Pty Ltd).
Key specifications for AT304634: Mounting Method: SADDLE BLADE; Arm Length: 15.748 INCHES NOMINAL IN; Adjustability: NONADJUSTABLE; Special Features: ARM ASSEMBLY; 750J/850J CRAWLER DOZER. 3 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.