The Sprocket Wheel, cataloged under National Stock Number 3020-00-288-2270, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-288-2270 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.924 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 1.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 120 |
| Outside Diameter | 9.890 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 9.113 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 19 |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 6.500 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.500 INCHES NOMINAL IN |
| Hole Location | 60 DEG APART |
| Bore Diameter | 5.750 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.924 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 |
| Reference | Meaning |
|---|---|
| 33260 | 3/2 Design control — primary reference U.S. Government activity |
| S10CH33260 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-288-2270 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 3110-01-306-4609, 5330-01-313-0256, 4320-01-313-2142. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-288-2270: Securing Method: DRILLED HOLE; Bore Length: 0.924 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 1.500 INCHES NOMINAL IN. 19 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.