The Gear,helical, cataloged under National Stock Number 3020-00-528-9193, 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 29 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 | 3020-00-528-9193 |
| Primary Part Number | P211340 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sterling Engine Co Inc |
| Status | ACTIVE |
| Keyway Nominal Width | 0.377 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.6230 INCHES BOTH ENDS IN |
| Helix Angle | 16.2166 DEGREES |
| Hub Nominal Diameter | 2.500 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.4375 INCHES SECOND END IN |
| Teeth Quantity | 96 |
| Second Step Nominal Diameter | 5.7500 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Mounting Hole Type and Quantity | 6 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.0312 INCHES FIRST END IN |
| First Step Nominal Length | 0.1250 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.406 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Second Step Nominal Length | 0.1250 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Pitch Diameter | 11.1087 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 3.9995 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.7812 INCHES FIRST END IN |
| Nominal Outside Diameter | 11.3260 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.9100 INCHES BOTH ENDS IN |
| End Nominal Diameter | 3.2500 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.8750 INCHES AXIALLY THROUGH HUB FIRST END 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 |
|---|---|
| P211340 PRIMARY | Sterling Engine Co Inc (USA) |
NSN 3020-00-528-9193 is a Gear,helical, manufactured by Sterling Engine Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-528-9193 has 1 manufacturer part number on file: P211340 (Sterling Engine Co Inc).
Key specifications for P211340: Keyway Nominal Width: 0.377 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.6230 INCHES BOTH ENDS IN; Helix Angle: 16.2166 DEGREES; Hub Nominal Diameter: 2.500 INCHES SECOND END IN. 29 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.