The Gear,spur, cataloged under National Stock Number 3020-00-541-3576, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-541-3576 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 EXTERNALLY LUBRICATED BEARING |
| Bore Nominal Diameter | 0.7872 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.125 INCHES BOTH ENDS IN |
| Teeth Quantity | 34 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.051 INCHES BOTH ENDS IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 81.0 ROCKWELL C MINIMUM AND 82.5 ROCKWELL C MAXIMUM TEETH |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.8330 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 2.9950 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4615 OVERALL |
| Face Nominal Width | 0.438 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 |
|---|---|
| 592192 | 3/9 Design control — primary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 592192 | 5/9 Secondary reference U.S. Government activity |
| 592192 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 3020-00-541-3576 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3110-01-507-7956. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-541-3576: Furnished Items and Quantity: 1 EXTERNALLY LUBRICATED BEARING; Bore Nominal Diameter: 0.7872 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.125 INCHES BOTH ENDS IN; Teeth Quantity: 34. 18 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.