The Gear,helical, cataloged under National Stock Number 3020-00-756-7696, 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 Ge Aviation Systems Llc. Government technical data includes 16 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 | 3020-00-756-7696 |
| Primary Part Number | 139852-01 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.903 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.250 INCHES SECOND END IN |
| Teeth Quantity | 74 |
| Clamping Surface Nominal Length | 0.1250 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 0.350 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 0.7718 INCHES NOMINAL IN |
| Hub Style Designator | SPLIT FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 0.794 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC ACETAL OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.052 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 139852-01 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 3020-00-756-7696 is a Gear,helical, manufactured by Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-756-7696 has 1 manufacturer part number on file: 139852-01 (Ge Aviation Systems Llc).
Key specifications for 139852-01: Bore Nominal Diameter: 0.903 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.250 INCHES SECOND END IN; Teeth Quantity: 74; Clamping Surface Nominal Length: 0.1250 INCHES FIRST END IN. 16 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.
NSN 3020-00-756-7696 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.