The Gear,helical, cataloged under National Stock Number 3020-00-294-7776, 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 Struthers Wells Corp. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-7776 |
| Primary Part Number | 1836 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Struthers Wells Corp |
| Status | ACTIVE |
| Keyway Nominal Width | 0.875 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 3.751 INCHES BOTH ENDS IN |
| Helix Angle | 23.0000 DEGREES |
| Hub Nominal Diameter | 6.750 INCHES FIRST END IN |
| Teeth Quantity | 59 |
| Body Style | WEBBED, OFFSET, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 2.000 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 96.0 ROCKWELL C MINIMUM AND 100.0 ROCKWELL C MAXIMUM HUB |
| Nominal Overall Length | 7.000 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 14.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 15.2100 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.438 INCHES BOTH ENDS IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 5.000 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 |
|---|---|
| 1836 PRIMARY | Struthers Wells Corp (USA) |
| Reference | Meaning |
|---|---|
| 315841PC284 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-294-7776 is a Gear,helical, manufactured by Struthers Wells Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-7776 has 1 manufacturer part number on file: 1836 (Struthers Wells Corp).
Key specifications for 1836: Keyway Nominal Width: 0.875 INCHES BOTH ENDS IN; Bore Nominal Diameter: 3.751 INCHES BOTH ENDS IN; Helix Angle: 23.0000 DEGREES; Hub Nominal Diameter: 6.750 INCHES FIRST END IN. 21 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.