The Pulley,timing Belt, cataloged under National Stock Number 3020-00-443-4747, 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 Gates Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-443-4747 |
| Primary Part Number | 48XL037B1-2 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Hub Diameter | 1.500 INCHES NOMINAL IN |
| Face Pitch Designation | XL |
| Face Type | SINGLE ROW SPROCKET TEETH |
| Bore Type | SPECIFIED |
| Face Groove/tooth Quantity | 48 |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Face Width | 0.563 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 |
|---|---|
| 48XL037B1-2 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 48XL037B1-2 | 5/9 Secondary reference U.S. Government activity |
| 48XL037B1-2 | 5/9 Secondary reference Lanxess Corporation |
NSN 3020-00-443-4747 is a Pulley,timing Belt, manufactured by Gates Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-443-4747 has 1 manufacturer part number on file: 48XL037B1-2 (Gates Corporation).
Key specifications for 48XL037B1-2: Hub Diameter: 1.500 INCHES NOMINAL IN; Face Pitch Designation: XL; Face Type: SINGLE ROW SPROCKET TEETH; Overall Length: 3.056 INCHES NOMINAL IN. 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.