The Gear,spur, cataloged under National Stock Number 3020-00-409-6261, 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 16 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 | 3020-00-409-6261 |
| Primary Part Number | 5S1186 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LUBRICANT IMPREGNATED BEARING |
| Bore Nominal Diameter | 3.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 4.500 INCHES SECOND END IN |
| Hub Nominal Diameter | 4.500 INCHES FIRST END IN |
| Teeth Quantity | 17 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 1.063 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 8.8888 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 9.000 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.625 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5S1186 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-00-409-6261 is a Gear,spur, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-409-6261 has 1 manufacturer part number on file: 5S1186 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5S1186: Furnished Items and Quantity: 1 LUBRICANT IMPREGNATED BEARING; Bore Nominal Diameter: 3.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 4.500 INCHES SECOND END IN; Hub Nominal Diameter: 4.500 INCHES FIRST END IN. 16 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.
NSN 3020-00-409-6261 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.