The Hub,synchronizer,transmission, cataloged under National Stock Number 2520-01-693-5000, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-693-5000 |
| Primary Part Number | 349-9157 |
| Item Name | Hub,synchronizer,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Component Quantity | 1 |
| Mounting Hole Quantity | 5 |
| Hub Securing Hole Type | PLAIN |
| Usage Design | TRUCK |
| Shape | ROUND |
| Component Document Origin | INDUSTRIAL |
| Vehicle Identification Designator | A2 MPCV |
| Document Source | 11083 |
| Vehicle Design Control Activity | 1EFH8 |
| Usage Design | CX31 TRANSMISSION |
| 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 |
|---|---|
| 349-9157 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2520-01-693-5000 is a Hub,synchronizer,transmission, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-693-5000 has 1 manufacturer part number on file: 349-9157 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 349-9157: Component Quantity: 1; Mounting Hole Quantity: 5; Hub Securing Hole Type: PLAIN; Usage Design: TRUCK. 10 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.