The Gear,spur, cataloged under National Stock Number 3020-01-017-4546, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-017-4546 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.160 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.875 INCHES FIRST END IN |
| Hub Nominal Diameter | 3.375 INCHES SECOND END IN |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.062 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | FED STD 66 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 16 BOTH ENDS |
| Nominal Outside Diameter | 4.400 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4820 OVERALL |
| Spline Pitch Diameter | 2.0400 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| F-8407-10 | 3/9 Design control — primary reference Pettibone Llc |
NSN 3020-01-017-4546 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-017-4546: Bore Nominal Diameter: 2.160 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.875 INCHES FIRST END IN; Hub Nominal Diameter: 3.375 INCHES SECOND END IN; Teeth Quantity: 16. 20 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.