The Pulley,cone, cataloged under National Stock Number 3020-01-009-4971, 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29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-009-4971 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.888 INCHES MINIMUM AA END IN |
| Hub Outside Diameter | 3.000 INCHES MAXIMUM BB END IN |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.740 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.038 INCHES NOMINAL IN |
| Face Type | STEP GROOVE |
| Groove Shape | U |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.062 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 2 |
| Protruding Hub Characteristic | PLAIN |
| Bore Bearing | NOT INCLUDED |
| Securing Hole Quantity | 2 |
| Thread Size | 6.32 |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Step Outside Diameter | 2.190 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.278 INCHES MAXIMUM AA END AND 0.180 INCHES MAXIMUM BB END IN |
| Keying Facility | NOT INCLUDED |
| Hole Location | 0.050 IN. FROM SECOND HUB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Face Width | 0.740 INCHES NOMINAL IN |
| Groove Width | 0.068 INCHES NOMINAL 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 |
|---|---|
| 158672-002 | 3/9 Design control — primary reference Xerox Corp Xerox Documentation and Software Services |
| 158672 | D/9 Drawing number reference only Xerox Corp Xerox Documentation and Software Services |
NSN 3020-01-009-4971 is a Pulley,cone, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-009-4971: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.888 INCHES MINIMUM AA END IN; Hub Outside Diameter: 3.000 INCHES MAXIMUM BB END IN; Securing Method: THREADED HOLE(S). 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.