The Gear,helical, cataloged under National Stock Number 3020-00-528-9191, 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 Sterling Engine Co Inc. Government technical data includes 19 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 | 3020-00-528-9191 |
| Primary Part Number | YP11310 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sterling Engine Co Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 EXTERNALLY LUBRICATED BEARING |
| Bore Nominal Diameter | 4.4995 INCHES BOTH ENDS IN |
| Helix Angle | 20.6165 DEGREES |
| Hub Nominal Diameter | 6.6250 INCHES BOTH ENDS IN |
| Teeth Quantity | 84 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1300 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.6925 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 9.9720 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 10.1935 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON OVERALL |
| Face Nominal Width | 1.188 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 |
|---|---|
| YP11310 PRIMARY | Sterling Engine Co Inc (USA) |
NSN 3020-00-528-9191 is a Gear,helical, manufactured by Sterling Engine Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-528-9191 has 1 manufacturer part number on file: YP11310 (Sterling Engine Co Inc).
Key specifications for YP11310: Furnished Items and Quantity: 2 EXTERNALLY LUBRICATED BEARING; Bore Nominal Diameter: 4.4995 INCHES BOTH ENDS IN; Helix Angle: 20.6165 DEGREES; Hub Nominal Diameter: 6.6250 INCHES BOTH ENDS IN. 19 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.