The Pulley,groove, cataloged under National Stock Number 3020-00-451-0291, 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 Cummins Inc.. 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 | 3020-00-451-0291 |
| Primary Part Number | 163219 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.055 INCHES NOMINAL BB END IN |
| Hub Outside Diameter | 2.078 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.306 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Unable to Decode | UNABLE TO DECODE |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | V |
| Outside Diameter | 9.000 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 7.910 INCHES NOMINAL IN |
| Groove Depth | 0.545 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 20.0 |
| Protruding Hub Characteristic | STEPPED |
| Distance From Center of Bore to Bottom of Keyway | 1.277 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Securing Hole Quantity | 2 |
| Bolt Circle Diameter | 3.625 INCHES NOMINAL IN |
| Thread Size | 3/8-16 |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| 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 |
|---|---|
| 163219 PRIMARY | Cummins Inc. (USA) |
NSN 3020-00-451-0291 is a Pulley,groove, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-451-0291 has 1 manufacturer part number on file: 163219 (Cummins Inc.).
Key specifications for 163219: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.055 INCHES NOMINAL BB END IN; Hub Outside Diameter: 2.078 INCHES NOMINAL AA 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.