The Pulley,timing Belt, cataloged under National Stock Number 3020-01-149-6789, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-149-6789 |
| Primary Part Number | FD2-39 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Face Pitch Designation | 0.0982 INCH IN |
| Face Type | DOUBLE ROW SPROCKET TEETH |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Bore Type | SPECIFIED |
| Face Groove/tooth Quantity | 39 |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.125 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Face Width | 0.187 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 |
| Part Number | Manufacturer |
|---|---|
| FD2-39 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 5055175-2 | 5/9 Secondary reference Signals Warfare Project Manager |
| DFD2T39 | 5/9 Secondary reference Allied Devices Corp Dba Absolute Precision Co |
NSN 3020-01-149-6789 is a Pulley,timing Belt, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-149-6789 has 1 manufacturer part number on file: FD2-39 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for FD2-39: Face Pitch Designation: 0.0982 INCH IN; Face Type: DOUBLE ROW SPROCKET TEETH; Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.468 INCHES NOMINAL IN. 9 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.