The Piston,reaction Cylinder, cataloged under National Stock Number 2540-01-474-0428, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is John Deere Construction & Forestry Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-474-0428 |
| Primary Part Number | AT214122 |
| Item Name | Piston,reaction Cylinder |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | John Deere Construction & Forestry Company |
| Status | ACTIVE |
| 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 |
|---|---|
| AT214122 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| 4369619 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
| AT214122 | 5/9 Secondary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 2540-01-474-0428 is a Piston,reaction Cylinder, manufactured by John Deere Construction & Forestry Company, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-474-0428 has 1 manufacturer part number on file: AT214122 (John Deere Construction & Forestry Company).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-585-1091. Verify interchangeability with system specifications before substitution.
Key specifications for AT214122: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LDC HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P. 0 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.