The Cover Assembly,transmission, cataloged under National Stock Number 2520-01-113-3869, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is The Hilliard Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-113-3869 |
| Primary Part Number | 3-12-1X |
| Item Name | Cover Assembly,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | The Hilliard Corp |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AISI-C1117 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-12-1X PRIMARY | The Hilliard Corp (USA) |
| Reference | Meaning |
|---|---|
| 3-1-1XL | D/9 Drawing number reference only The Hilliard Corp |
NSN 2520-01-113-3869 is a Cover Assembly,transmission, manufactured by The Hilliard Corp, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-113-3869 has 1 manufacturer part number on file: 3-12-1X (The Hilliard Corp).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-113-4483, 4730-01-123-3828, 3110-01-124-0208. Verify interchangeability with system specifications before substitution.
Key specifications for 3-12-1X: General Characteristics Item Description: STEEL,AISI-C1117. 1 specification is 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.