The Gear,spur, cataloged under National Stock Number 3020-01-225-9102, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-225-9102 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.187 INCHES BOTH ENDS IN |
| Teeth Quantity | 30 |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.218 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Bore Style | W/COUNTERBORE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.053 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.4166 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.444 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.053 INCHES FIRST END IN |
| Face Nominal Width | 0.093 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 |
|---|---|
| SM-C-763817 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-225-9102 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-225-9102: Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN; Teeth Quantity: 30; Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 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.