The Gear,spur, cataloged under National Stock Number 3020-01-008-1326, 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 23 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 | 3020-01-008-1326 |
| Primary Part Number | 157504-01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.090 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.380 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.125 INCHES FIRST END IN |
| Teeth Quantity | 90 |
| Clamping Surface Nominal Length | 0.140 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.140 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.015 INCHES SECOND END IN |
| Nominal Overall Length | 0.211 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2517 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Hub Style Designator | SPLIT SECOND END |
| Nominal Outside Diameter | 1.279 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.071 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 |
|---|---|
| 157504-01 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 3020-01-008-1326 is a Gear,spur, manufactured by Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-008-1326 has 1 manufacturer part number on file: 157504-01 (Ge Aviation Systems Llc).
Key specifications for 157504-01: Bore Nominal Diameter: 0.090 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.380 INCHES SECOND END IN; Hub Nominal Diameter: 0.125 INCHES FIRST END IN; Teeth Quantity: 90. 23 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.