The Gear,spur, cataloged under National Stock Number 3020-00-628-4660, 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 Rolls-Royce Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-628-4660 |
| Primary Part Number | 6784109 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.565 INCHES COUNTERBORE FIRST END IN |
| Teeth Quantity | 9 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.575 INCHES COUNTERBORE FIRST END IN |
| Bore Style | W/COUNTERBORE COUNTERBORE FIRST END |
| Hardness Rating | 60.0 ROCKWELL C MINIMUM TEETH |
| Style Designator | HUBLESS |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Tooth Form | SPECIAL |
| Nominal Outside Diameter | 1.832 INCHES IN |
| Pressure Angle | 28.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.125 INCHES COUNTERBORE FIRST END IN |
| Face Nominal Width | 1.200 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6784109 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6784109 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6784109 | 5/9 Secondary reference General Motors Corp |
| AP6784109 | 5/9 Secondary reference Apex Precision Technologies, Inc. |
NSN 3020-00-628-4660 is a Gear,spur, manufactured by Rolls-Royce Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-628-4660 has 1 manufacturer part number on file: 6784109 (Rolls-Royce Corporation).
Key specifications for 6784109: Bore Nominal Diameter: 0.565 INCHES COUNTERBORE FIRST END IN; Teeth Quantity: 9; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 0.575 INCHES COUNTERBORE FIRST END IN. 15 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 3020-00-628-4660 has DEMIL Code Q. 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.