The Retainer,clutch Spring, cataloged under National Stock Number 2520-01-065-0841, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2520-01-065-0841 |
| Primary Part Number | 6834369 |
| Item Name | Retainer,clutch Spring |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | FORWARD CLUTCH TURBINE SHAFT PISTON RETURN SPRING |
| 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 |
|---|---|
| 6834369 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 444993C1 | 5/9 Secondary reference Simmons-Rand Co |
| 444993C1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2520-01-065-0841 is a Retainer,clutch Spring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-065-0841 has 1 manufacturer part number on file: 6834369 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-251-6095. Verify interchangeability with system specifications before substitution.
Key specifications for 6834369: General Characteristics Item Description: FORWARD CLUTCH TURBINE SHAFT PISTON RETURN SPRING. 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.