The Gear,spur, cataloged under National Stock Number 3020-00-524-2014, 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 De Havilland Aircraft of Canada Limited. Government technical data includes 13 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 | 3020-00-524-2014 |
| Primary Part Number | C3UT105-5 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Hub Nominal Diameter | 2.200 INCHES BOTH ENDS IN |
| Teeth Quantity | 57 |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 3310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.7500 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 10 BOTH ENDS |
| Nominal Outside Diameter | 4.9167 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP E3310 OVERALL |
| 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 |
|---|---|
| C3UT105-5 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 3020-00-524-2014 is a Gear,spur, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-524-2014 has 1 manufacturer part number on file: C3UT105-5 (De Havilland Aircraft of Canada Limited).
Key specifications for C3UT105-5: Hub Nominal Diameter: 2.200 INCHES BOTH ENDS IN; Teeth Quantity: 57; Body Style: WEBBED, SOLID; Bore Style: INVOLUTE SPLINE BOTH ENDS. 13 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.