The Flange,companion,vehicular Unive, cataloged under National Stock Number 2520-01-054-1503, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-01-054-1503 |
| Primary Part Number | 18DS122 |
| Item Name | Flange,companion,vehicular Unive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6 1/2-2-329 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| 6.5-2-239 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| 18DS122 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 18DS122 | 5/9 Secondary reference Oshkosh Corp |
NSN 2520-01-054-1503 is a Flange,companion,vehicular Unive, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-054-1503 has 3 manufacturer part numbers on file: 6 1/2-2-329 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), 6.5-2-239 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), 18DS122 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-074-8252. Verify interchangeability with system specifications before substitution.
Key specifications for 18DS122: Special Features: USED ON A UNIVERSAL JOINT. 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.