The Gear,spur, cataloged under National Stock Number 3020-00-453-9368, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-453-9368 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.065 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.344 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.531 INCHES FIRST END IN |
| Backlash Designation | GRADE B |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES FIRST END IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.692 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.206 INCHES BOTH ENDS IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.656 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 |
|---|---|
| 34106 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
| 34106 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 3020-00-453-9368 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-453-9368: Keyway Nominal Width: 0.065 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.344 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.531 INCHES FIRST END IN; Backlash Designation: GRADE B. 19 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.