The Gear,helical, cataloged under National Stock Number 3020-00-080-6016, 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 Solutions America Inc. Government technical data includes 17 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 | 3020-00-080-6016 |
| Primary Part Number | 5138929 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 4.437 INCHES BOTH ENDS IN |
| Helix Angle | 18.0000 DEGREES |
| Teeth Quantity | 68 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 8.8750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 9.125 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 24 AXIALLY THROUGH HUB FIRST END |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 5.187 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 2.500 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 |
|---|---|
| 5138929 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 3020-00-080-6016 is a Gear,helical, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-080-6016 has 1 manufacturer part number on file: 5138929 (Rolls-Royce Solutions America Inc).
Key specifications for 5138929: Bore Nominal Diameter: 4.437 INCHES BOTH ENDS IN; Helix Angle: 18.0000 DEGREES; Teeth Quantity: 68; Body Style: WEBBED, SOLID. 17 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.