The Differential Gear Unit, cataloged under National Stock Number 2520-01-358-8658, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is New Venture Gear Inc New Process Gear Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-358-8658 |
| Primary Part Number | 17573 |
| Item Name | Differential Gear Unit |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | New Venture Gear Inc New Process Gear Div |
| Status | ACTIVE |
| Design Type | SPUR ALL GEARS |
| Bore Style | PLAIN BOTH ENDS |
| Hub Style Designator | PLAIN FIRST END |
| Material | STEEL OVERALL |
| Construction | SOLID |
| Attachment Method | RETAINING RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-01-358-8658 is a Differential Gear Unit, manufactured by New Venture Gear Inc New Process Gear Div, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-358-8658 has 2 manufacturer part numbers on file: 17573 (New Venture Gear Inc New Process Gear Div), 5938655 (Am General Llc).
Key specifications for 17573: Design Type: SPUR ALL GEARS; Bore Style: PLAIN BOTH ENDS; Hub Style Designator: PLAIN FIRST END; End Item Identification: 2320-01-346-9317. 6 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.