The Gear,spur, cataloged under National Stock Number 3020-01-021-8128, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-021-8128 |
| Primary Part Number | 3500640-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.469 INCHES BOTH ENDS IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Style Designator | HUBLESS |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 14 FIRST END |
| Nominal Outside Diameter | 0.890 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Spline Pitch Diameter | 0.4375 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.655 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 |
|---|---|
| CEC046005 | Caprice Engineering Company, Inc. (USA) |
| 3500640-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3500640-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-021-8128 is a Gear,spur, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-021-8128 has 2 manufacturer part numbers on file: CEC046005 (Caprice Engineering Company, Inc.), 3500640-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3500640-1: Bore Nominal Diameter: 0.469 INCHES BOTH ENDS IN; Teeth Quantity: 14; Body Style: PLAIN, SOLID; Bore Style: INVOLUTE SPLINE 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.