The Gear,spur, cataloged under National Stock Number 3020-01-009-6492, 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20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-009-6492 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.887 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.235 INCHES FIRST END IN |
| Backlash Designation | GRADE A |
| Teeth Quantity | 26 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 COUNTERSUNK AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.107 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Mounting Hole Nominal Diameter | 0.189 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 2.6000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.897 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 1.144 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.123 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 42251D41 | 3/9 Design control — primary reference U.S. Government activity |
| 42251-41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-009-6492 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-009-6492: Bore Nominal Diameter: 0.887 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.235 INCHES FIRST END IN; Backlash Designation: GRADE A; Teeth Quantity: 26. 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.
NSN 3020-01-009-6492 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.