The Gear,spur, cataloged under National Stock Number 3020-00-720-3260, 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 Us Army Aviation and Missile Command. Government technical data includes 29 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 | 3020-00-720-3260 |
| Primary Part Number | 9064117 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.2510 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.3325 INCHES FIRST END IN |
| Teeth Quantity | 40 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.3950 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Mounting Hole Type and Quantity | 1 PLAIN AND 1 THREADED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1120 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1590 INCHES FIRST END IN |
| First Step Nominal Length | 0.0695 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.0475 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.5615 INCHES SECOND END IN |
| Hub Style Designator | PLAIN FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| Mounting Hole Nominal Thread Size | 0.1120 INCHES AXIALLY THROUGH BODY FIRST END IN |
| End Nominal Length | 0.0180 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.3125 INCHES IN |
| End Nominal Diameter | 0.5070 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.9620 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 0.1400 INCHES SECOND END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.0620 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 |
|---|---|
| 9064117 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-720-3260 is a Gear,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-720-3260 has 1 manufacturer part number on file: 9064117 (Us Army Aviation and Missile Command).
Key specifications for 9064117: Bore Nominal Diameter: 0.2510 INCHES FIRST END IN; Hub Nominal Diameter: 0.3325 INCHES FIRST END IN; Teeth Quantity: 40; Body Style: PLAIN, SOLID. 29 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.