The Pulley,cone, cataloged under National Stock Number 3020-01-035-6542, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-035-6542 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Securing Method | KEY |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | 4L |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Groove Depth | 0.490 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 4 |
| V Groove Angle in Deg | 34.0 |
| Bore Bearing | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 0.406 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| V Groove Pitch Diameter | 2.270 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN |
| Keyway Width | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Step Outside Diameter | 3.250 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN |
| Surface Treatment | ZINC |
| Keying Facility | INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.626 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Face Width | 0.494 INCHES NOMINAL IN |
| Groove Width | 0.494 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| Lightening Hole | NOT 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 |
|---|---|
| 13206E7394 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-035-6542 is a Pulley,cone, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-035-6542: Integral Cooling Vane: NOT INCLUDED; Securing Method: KEY; Split Hub Feature: NOT INCLUDED; Bore Length: 2.500 INCHES NOMINAL IN. 29 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.