The Gear,spur, cataloged under National Stock Number 3020-01-068-1506, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-068-1506 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.295 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.748 INCHES SECOND END IN |
| Teeth Quantity | 100 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.725 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.775 INCHES FIRST END IN |
| First Step Nominal Length | 0.400 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 7.1429 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 1.575 INCHES FIRST END IN |
| Features Provided | CASEHARDENED |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 6 BOTH ENDS |
| End Nominal Length | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter | 7.256 INCHES IN |
| End Nominal Diameter | 1.438 INCHES FIRST END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.420 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 |
|---|---|
| 42277E117 | 5/9 Secondary reference U.S. Government activity |
| 42277-117 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 3020-01-068-1506 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-068-1506: Bore Nominal Diameter: 1.295 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.748 INCHES SECOND END IN; Teeth Quantity: 100; Body Style: WEBBED, WITH LIGHTENING HOLES. 21 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.