The Gear,spur, cataloged under National Stock Number 3020-01-408-9980, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 3020-01-408-9980 |
| Primary Part Number | 779246-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.3839 INCHES BOTH ENDS IN |
| Teeth Quantity | 33 |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.150 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Pitch Diameter | 1.3750 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.439 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.497 INCHES BOTH ENDS IN |
| Surface Treatment | LUBRICANT DRY FILM OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Bolt Hole Circle Nominal Diameter | 0.750 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.270 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 779246-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3020-01-408-9980 is a Gear,spur, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-408-9980 has 1 manufacturer part number on file: 779246-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 779246-1: Bore Nominal Diameter: 0.3839 INCHES BOTH ENDS IN; Teeth Quantity: 33; Bore Style: W/ KEYWAY BOTH ENDS; Mounting Hole Type and Quantity: 4 PLAIN AXIALLY THROUGH BODY FIRST END. 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.
NSN 3020-01-408-9980 has DEMIL Code B. 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.