The Gear,spur, cataloged under National Stock Number 3020-01-039-9396, 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 | 3020-01-039-9396 |
| Primary Part Number | 161186-01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.1865 INCHES FIRST END IN |
| Teeth Quantity | 77 |
| Clamping Surface Nominal Length | 0.1390 INCHES FIRST END IN |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.170 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Material Document and Classification | MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE AND QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.8021 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 0.8129 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 302 AND STEEL COMP 303 OVERALL |
| Face Nominal Width | 0.099 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 |
|---|---|
| 161186-01 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 3020-01-039-9396 is a Gear,spur, manufactured by Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-039-9396 has 1 manufacturer part number on file: 161186-01 (Ge Aviation Systems Llc).
Key specifications for 161186-01: Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.1865 INCHES FIRST END IN; Teeth Quantity: 77; Clamping Surface Nominal Length: 0.1390 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.
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.