The Pulley,groove, cataloged under National Stock Number 3020-00-989-9802, 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 De Havilland Aircraft of Canada Limited. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-989-9802 |
| Primary Part Number | C4F10517-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.450 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.200 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 0.820 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-S-6758, COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.200 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | SLEEVE |
| Surface Treatment | CADMIUM |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.332 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Face Width | 0.450 INCHES NOMINAL IN |
| Groove Width | 0.400 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| C4F10517-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 3020-00-989-9802 is a Pulley,groove, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-989-9802 has 1 manufacturer part number on file: C4F10517-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4F10517-1: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bearing Quantity: 1; Split Hub Feature: NOT INCLUDED. 23 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.