The Flange,companion,un, cataloged under National Stock Number 2520-01-171-8239, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Bae Systems Hagglunds Aktiebolag. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Flange,companion,un |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Mercedes-Benz Ag (CAGE CN7Z7); Bae Systems Hagglunds Aktiebolag (CAGE AC90N); Mercedes-Benz Canada Inc (CAGE 3AB28) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-171-8239 |
| Primary Part Number | 4536226-858 |
| Item Name | Flange,companion,un |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Bae Systems Hagglunds Aktiebolag |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 3092720345 | Mercedes-Benz Ag (DEU) |
| 4536226-858 PRIMARY | Bae Systems Hagglunds Aktiebolag (SWE) |
| 309 272 03 45 | Mercedes-Benz Canada Inc (CAN) |
| Reference | Meaning |
|---|---|
| 4536226-858 | 3/9 Design control — primary reference Bae Systems Hagglunds Ab |
| 3092720345 | 5/9 Secondary reference Daimler Ag |
| 3092720145 | 5/9 Secondary reference Daimler Ag |
NSN 2520-01-171-8239 is a Flange,companion,un, manufactured by Bae Systems Hagglunds Aktiebolag, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-171-8239 has 3 manufacturer part numbers on file: 3092720345 (Mercedes-Benz Ag), 4536226-858 (Bae Systems Hagglunds Aktiebolag), 309 272 03 45 (Mercedes-Benz Canada Inc).
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.