The Gear,spur, cataloged under National Stock Number 3020-00-319-2947, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-319-2947 |
| Primary Part Number | C2CF1557 |
| 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 | 0.2480 INCHES FIRST END IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1380 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.3750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | 1 GROOVE FIRST END |
| Nominal Outside Diameter | 0.4166 INCHES IN |
| Nominal Distance From End to First Groove | 0.0500 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| First Groove Nominal Diameter | 0.2300 INCHES FIRST END IN |
| First Groove Nominal Width | 0.0280 INCHES FIRST END IN |
| Face Nominal Width | 0.125 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 |
|---|---|
| C2CF1557 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 3020-00-319-2947 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 3020-00-319-2947 has 1 manufacturer part number on file: C2CF1557 (De Havilland Aircraft of Canada Limited).
Key specifications for C2CF1557: Hub Nominal Diameter: 0.2480 INCHES FIRST END IN; Teeth Quantity: 18; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.1380 INCHES 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.
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.