The Pulley,groove, cataloged under National Stock Number 3020-01-665-9902, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-665-9902 |
| Primary Part Number | 1028547 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Emerson Electric Co Browning Mfg Div |
| Status | ACTIVE |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Outside Diameter | 5.250 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Quantity | 1 |
| Bore Diameter | 1.000 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Face Width | 0.875 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 |
NSN 3020-01-665-9902 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-665-9902 has 2 manufacturer part numbers on file: BK55X1 (Emerson Electric Co Browning Mfg Div), 1028547 (Emerson Electric Co Browning Mfg Div).
Key specifications for 1028547: Design Form: SPOKED; Web/spoke Relationship to Face Centerline: NOT OFFSET; Outside Diameter: 5.250 INCHES NOMINAL IN; Style Designator: WEBBED OR SPOKED. 8 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.