The Sprocket Wheel, cataloged under National Stock Number 3020-01-034-0902, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-034-0902 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.141 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35 |
| Outside Diameter | 10.250 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 10.029 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 84 |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 3.370 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.278 INCHES NOMINAL IN |
| Surface Treatment | OXIDE |
| Hole Location | THROUGH SPROCKET BODY PARALLEL TO BORE |
| Bore Diameter | 2.375 INCHES MINIMUM AND 2.378 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | LIGHTENING HOLE |
| Face Width | 0.141 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 113035-1 | 3/9 Design control — primary reference Tracor Aerospace Inc Advanced Systems Opn /aso/ Sub of Tracor Inc |
NSN 3020-01-034-0902 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-530-0175. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-034-0902: Securing Method: DRILLED HOLE; Bore Length: 0.141 INCHES MINIMUM AND 0.168 INCHES MAXIMUM IN; Design Form: PLAIN; Tooth Pitch: 0.375 INCHES NOMINAL IN. 21 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.
NSN 3020-01-034-0902 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.