The Pulley,groove, cataloged under National Stock Number 3020-00-004-2265, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 29 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 | 3020-00-004-2265 |
| Primary Part Number | 5S9044 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 3.280 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 6.220 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 3.883 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Outside Diameter | 7.500 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-I-652, CLASS 30 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 7.073 INCHES NOMINAL IN |
| Groove Depth | 0.640 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 2.410 INCHES NOMINAL IN |
| Groove Quantity | 2 |
| Counterbore Location | BB END |
| V Groove Angle in Deg | 38.0 |
| Counterbore Diameter | 2.880 INCHES NOMINAL IN |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 4.700 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.406 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Hole Location | THROUGH HUB EQUALLY SPACED |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 2.8346 INCHES MINIMUM AND 2.8356 INCHES MAXIMUM IN |
| Material | IRON CAST UNS F12101 OVERALL |
| Face Width | 1.776 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 |
|---|---|
| 5S9044 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-00-004-2265 is a Pulley,groove, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-004-2265 has 1 manufacturer part number on file: 5S9044 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5S9044: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 3.280 INCHES NOMINAL AA END IN; Hub Outside Diameter: 6.220 INCHES NOMINAL BB END IN; Bore Feature: INCLUDED. 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.