The Gear,helical, cataloged under National Stock Number 3020-00-360-1955, 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 19 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-360-1955 |
| Primary Part Number | 16F464-1 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.985 INCHES FIRST END IN |
| Teeth Quantity | 158 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | TAPERED W/KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 4.500 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Bore Nominal Depth | 2.317 INCHES BOTH ENDS IN |
| Pitch Diameter | 11.4850 INCHES NOMINAL IN |
| Features Provided | TAPERED KEYWAY |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 11.6280 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.346 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 4.250 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 |
|---|---|
| 16F464-1 PRIMARY | Westinghouse Electric Corp (USA) |
| 16F464PC1 | Westinghouse Electric Corp (USA) |
| 1389385 | Westinghouse Electric Corp (USA) |
| 16F64PC1 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 7T02442LALTDPC1 | 5/2 Secondary reference U.S. Government activity |
| 1389385 | 5/9 Secondary reference U.S. Government activity |
| 1389385 | 5/2 Secondary reference U.S. Government activity |
| 7T02442LPC1 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-360-1955 is a Gear,helical, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-360-1955 has 4 manufacturer part numbers on file: 16F464-1 (Westinghouse Electric Corp), 16F464PC1 (Westinghouse Electric Corp), 1389385 (Westinghouse Electric Corp), 16F64PC1 (Westinghouse Electric Corp).
Key specifications for 16F464-1: Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.985 INCHES FIRST END IN; Teeth Quantity: 158; Body Style: PLAIN, SOLID. 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.