NSN 2540-01-321-6459 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-321-6459. Manufacturer of record part number: AT42421.
Also searched as2540-01-321-6459 ·
2540013216459 ·
NIIN 013216459 ·
01-321-6459 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 75160 · AT42421 · AT105385
General Characteristics Item Description: ACCUMULATOR AND BRAKE VALVE
2 manufacturer part numbers on file
Manufacturer of record: Deere & Co
Identification
NSN: 2540-01-321-6459
NIIN: 013216459
FSC: 2540 — Vehicular Furniture and Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: AT42421
Manufacturer: Deere & Co
General Description
The Switch,stoplight,automotive, cataloged under National Stock Number 2540-01-321-6459, 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 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
2540-01-321-6459
Primary Part Number
AT42421
Item Name
Switch,stoplight,automotive
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Deere & Co
Status
ACTIVE
General Characteristics Item Description
ACCUMULATOR AND BRAKE VALVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-001-2045
2540-00-001-2045 · Item name not on file
2540-00-001-3392
2540-00-001-3392 · Item name not on file
2540-00-001-3467
2540-00-001-3467 · Item name not on file
2540-00-001-3534
2540-00-001-3534 · Item name not on file
2540-00-001-3535
2540-00-001-3535 · Item name not on file
2540-00-001-3536
2540-00-001-3536 · Item name not on file
2540-00-001-3537
BRACKET,HEADLIGHT,MOUNTING
2540-00-001-3538
BRACKET,HEADLIGHT,MOUNTING
Frequently Asked Questions
What is NSN 2540-01-321-6459?
NSN 2540-01-321-6459 is a Switch,stoplight,automotive, manufactured by Deere & Co, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What part numbers are listed for NSN 2540-01-321-6459?
NSN 2540-01-321-6459 has 2 manufacturer part numbers on file: AT42421 (Deere & Co), AT105385 (Deere & Co).
What are the specifications of AT42421?
Key specifications for AT42421: General Characteristics Item Description: ACCUMULATOR AND BRAKE VALVE; End Item Identification: JOHN DEERE CO,MODELS 670A,672A,770,770A,772A AND JD670 SERIES MOTOR GRADERS A. 1 specification is documented in the U.S. Government catalog.
Is NSN 2540-01-321-6459 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.