The Gear,helical, cataloged under National Stock Number 3020-01-346-9886, 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 General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-346-9886 |
| Primary Part Number | 1409M45P08 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp |
| Status | ACTIVE |
| Hub Spline Quantity | 12 BOTH ENDS |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Teeth Quantity | 12 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 38.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.3750 INCHES NOMINAL IN |
| Hub Style Designator | EXTERNALLY SPLINED, STRAIGHT SPLINES BOTH ENDS |
| Nominal Outside Diameter | 1.750 INCHES IN |
| Pressure Angle | 30.0000 DEGREES |
| Material | STEEL OVERALL |
| Hub Spline Pitch Diameter | 0.4840 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.324 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 |
|---|---|
| 1409M45P08 PRIMARY | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| 1409M45P08 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1409M45 | D/9 Drawing number reference only General Electric Company |
NSN 3020-01-346-9886 is a Gear,helical, manufactured by General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-9886 has 2 manufacturer part numbers on file: 1409M45P08 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 1409M45P08 (General Electric Company).
Key specifications for 1409M45P08: Hub Spline Quantity: 12 BOTH ENDS; Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Teeth Quantity: 12; Body Style: PLAIN, SOLID. 15 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.