The Pulley,groove, cataloged under National Stock Number 3020-00-451-0290, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-451-0290 |
| Primary Part Number | 217227 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) |
| Style Designator | PLAIN |
| Securing Hole Quantity | 6 |
| 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 |
|---|---|
| 217227 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 163047 | 5/9 Secondary reference Cummins Inc. |
| 218492 | 5/9 Secondary reference Cummins Inc. |
| 218493 | C/1 Advisory reference — outside the item-of-supply concept Cummins Inc. |
NSN 3020-00-451-0290 is a Pulley,groove, manufactured by Cummins Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-451-0290 has 1 manufacturer part number on file: 217227 (Cummins Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-903-7175, 4730-01-128-9104, 6680-01-608-7691. Verify interchangeability with system specifications before substitution.
Key specifications for 217227: Securing Method: THREADED HOLE(S); Style Designator: PLAIN; Securing Hole Quantity: 6; Special Features: SHEAVE ADJUSTING HUB,REAR,5.875 IN.MIN,3.520 IN. MAX DIA HUB END, MTG HOLES 5/16-18 THREAD, RH ROTATION IN. 3 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.