The Gear,spur, cataloged under National Stock Number 3020-01-076-8680, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 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 | 3020-01-076-8680 |
| Primary Part Number | 9N1522 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Bore Nominal Diameter | 4.590 INCHES BOTH ENDS IN |
| Teeth Quantity | 128 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 8 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.250 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 9.1429 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Nominal Outside Diameter | 9.254 INCHES IN |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.825 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 2.840 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9N1522 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-01-076-8680 is a Gear,spur, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-076-8680 has 1 manufacturer part number on file: 9N1522 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9N1522: Bore Nominal Diameter: 4.590 INCHES BOTH ENDS IN; Teeth Quantity: 128; Body Style: WEBBED, OFFSET, SOLID; Bore Style: PLAIN BOTH ENDS. 14 specifications are documented in the U.S. Government catalog.
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.