The Gear,helical, cataloged under National Stock Number 3020-00-294-7531, 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 Westinghouse Electric Corp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-7531 |
| Primary Part Number | 1714011 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Keyway Nominal Width | 0.120 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.438 INCHES BOTH ENDS IN |
| Teeth Quantity | 36 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Nominal Distance Between Body Face and Protruding Hub End | 0.875 INCHES FIRST END IN |
| First Step Nominal Length | 0.063 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 2.250 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 4.5490 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.750 INCHES FIRST END IN |
| End Nominal Length | 0.813 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 4.7990 INCHES IN |
| End Nominal Diameter | 0.871 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.500 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 |
|---|---|
| 1JH1516PC7 | Westinghouse Electric Corp (USA) |
| 1714011 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1714011 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1714011 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-294-7531 is a Gear,helical, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-7531 has 2 manufacturer part numbers on file: 1JH1516PC7 (Westinghouse Electric Corp), 1714011 (Westinghouse Electric Corp).
Key specifications for 1714011: Keyway Nominal Width: 0.120 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.438 INCHES BOTH ENDS IN; Teeth Quantity: 36; Body Style: PLAIN, SOLID. 18 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.