The Gear,spur, cataloged under National Stock Number 3020-01-050-5480, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-050-5480 |
| Primary Part Number | 6810357 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.437 INCHES BOTH ENDS IN |
| Teeth Quantity | 11 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL TEETH |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.1000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.299 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Face Nominal Width | 0.248 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 |
|---|---|
| 6810357 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6810357 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3020-01-050-5480 is a Gear,spur, manufactured by Rolls-Royce Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-050-5480 has 1 manufacturer part number on file: 6810357 (Rolls-Royce Corporation).
Key specifications for 6810357: Bore Nominal Diameter: 0.437 INCHES BOTH ENDS IN; Teeth Quantity: 11; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 11 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.