The Pulley,cone, cataloged under National Stock Number 3020-00-282-8074, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-282-8074 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Step Quantity | 2 |
| Bore Length | 1.000 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Face Type | STEP CONE |
| Style Designator | WEBBED OR SPOKED |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.125 INCHES NOMINAL IN |
| Counterbore Location | BOTH ENDS |
| Counterbore Diameter | 0.375 INCHES NOMINAL IN |
| Bore Bearing | NOT INCLUDED |
| Step Outside Diameter | 1.875 INCHES NOMINAL AND 0.326 INCHES NOMINAL IN |
| Keying Facility | NOT INCLUDED |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 0.198 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Face Width | 0.375 INCHES NOMINAL IN |
| Lightening Hole | INCLUDED |
| 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 |
|---|---|
| 7903448 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-282-8074 is a Pulley,cone, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-685-2161. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-282-8074: Integral Cooling Vane: NOT INCLUDED; Step Quantity: 2; Bore Length: 1.000 INCHES NOMINAL IN; Design Form: WEBBED. 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.