The Pulley,cone, cataloged under National Stock Number 3020-01-148-2949, 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29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-148-2949 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Securing Method | DRILLED HOLE |
| Bore Length | 3.2 MILLIMETERS NOMINAL MM |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Face Type | STEP GROOVE |
| Groove Shape | V |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | SAE 1008 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 10.4 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Groove Quantity | 3 |
| V Groove Angle in Deg | 36.0 |
| Bore Bearing | NOT INCLUDED |
| V Groove Pitch Diameter | 152.4 MILLIMETERS NOMINAL AND 133.4 MILLIMETERS NOMINAL MM |
| Securing Hole Quantity | 4 |
| Bolt Circle Diameter | 53.9 MILLIMETERS NOMINAL MM |
| Drilled Hole Diameter | 11.8 MILLIMETERS NOMINAL MM |
| Step Outside Diameter | 158.2 MILLIMETERS NOMINAL AND 139.2 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE |
| Distance From Outside Flange/rim to Hub End and Location | 18.5 MILLIMETERS NOMINAL AA END AND 66.4 MILLIMETERS NOMINAL BB END MM |
| Keying Facility | NOT INCLUDED |
| Hole Location | THRU PULLEY BODY |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 19.0 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 1008 OVERALL |
| Face Width | 15.2 MILLIMETERS NOMINAL AND 36.0 MILLIMETERS NOMINAL MM |
| Groove Width | 9.6 MILLIMETERS NOMINAL MM |
| Securing Location | AA END |
| 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 |
|---|---|
| 14067704 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 14067704 | 3/9 Design control — primary reference General Motors Llc Dba General Motors Llc |
| 14067704 | 5/9 Secondary reference Spun Steel Div of Dyneer Corp |
NSN 3020-01-148-2949 is a Pulley,cone, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-148-2949: Integral Cooling Vane: NOT INCLUDED; Securing Method: DRILLED HOLE; Bore Length: 3.2 MILLIMETERS NOMINAL MM; Design Form: WEBBED. 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.