The Gear,spur, cataloged under National Stock Number 3020-01-352-0073, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-352-0073 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.251 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.126 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.015 INCHES FIRST END IN |
| Teeth Quantity | 70 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.181 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 8.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 5.950 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.688 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | BRONZE OVERALL |
| Face Nominal Width | 0.632 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 |
|---|---|
| 805-4563091 PC 23 | 3/2 Design control — primary reference U.S. Government activity |
| 805-4563091 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-352-0073 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-352-0074, 3020-01-352-3816, 3020-01-352-6108. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-352-0073: Keyway Nominal Width: 0.251 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.126 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.015 INCHES FIRST END IN; Teeth Quantity: 70. 15 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.