The Axle Assembly,automotive,driving, cataloged under National Stock Number 2520-01-599-7773, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 2520-01-599-7773 |
| Primary Part Number | 3971418 |
| Item Name | Axle Assembly,automotive,driving |
| 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 |
|---|---|
| 3971418 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3974195 | D/9 Drawing number reference only Oshkosh Corp |
| 3971418 | 5/9 Secondary reference Oshkosh Corp |
NSN 2520-01-599-7773 is a Axle Assembly,automotive,driving, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-599-7773 has 1 manufacturer part number on file: 3971418 (Oshkosh Defense Llc).
3 possible matches (shared part number, not a government interchangeability claim): 2520-01-599-7780, 2520-01-599-7811, 2520-01-599-7826. Verify interchangeability with system specifications before substitution.
Key specifications for 3971418: Part Name Assigned by Controlling Agency: KIT,SERVICE,DRESSED AXLE 4,LVSR T-W; End Item Identification: 2320-01-543-0651. 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.