The Assembly,bearing Co, cataloged under National Stock Number 2950-01-421-3263, is classified within Federal Supply Class 2950 (Turbosupercharger and Components) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Assembly,bearing Co |
| FSC / FSG | 2950 — Turbosupercharger and Components (FSG 29) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 2950-01-421-3263 |
| Primary Part Number | 4W-8561 |
| Item Name | Assembly,bearing Co |
| FSC / FSG | 2950 / 29 — Turbosupercharger and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4W-8561 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| HTLT312666R101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 100-5307 ITEM 18 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2950-01-421-3263 is a Assembly,bearing Co, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2950, Turbosupercharger and Components. Status: active.
NSN 2950-01-421-3263 has 1 manufacturer part number on file: 4W-8561 (Caterpillar Inc Div Caterpillar Defense).
No hazard code in the DLA record (HMIC N). 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.