The Gear,spur, cataloged under National Stock Number 3020-00-026-9147, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-026-9147 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.450 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 76 |
| Second Step Nominal Diameter | 0.500 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.245 INCHES FIRST END IN |
| First Step Nominal Length | 0.070 INCHES FIRST END IN |
| Nominal Overall Length | 0.307 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.1854 INCHES MINIMUM AND 1.1874 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.380 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.077 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.217 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.069 INCHES BOTH ENDS IN |
| Surface Treatment | ANODIZE OVERALL |
| End Nominal Diameter | 0.250 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Counterbore Nominal Depth | 0.093 INCHES SECOND END IN |
| Face Nominal Width | 0.062 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 |
| Reference | Meaning |
|---|---|
| 416784 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-026-9147 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-026-9147: Keyway Nominal Width: 0.450 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 76; Second Step Nominal Diameter: 0.500 INCHES FIRST END IN. 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.