The Sprocket Wheel, cataloged under National Stock Number 3020-01-431-9190, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-431-9190 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 4.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.809 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Asa Standard Chain Number | 60 |
| Outside Diameter | 7.350 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 0.7960 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 29 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.814 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.225 INCHES NOMINAL AA END IN |
| Distance From Hub End to Flange End | 1.250 INCHES NOMINAL BB END IN |
| Keyway Width | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| Bore Diameter | 1.510 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.459 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 |
|---|---|
| 14841200 | D/9 Drawing number reference only U.S. Government activity |
| PL14841200 REV E ITEM NO 28 | 5/9 Secondary reference U.S. Government activity |
| 14842005-5 | 5/2 Secondary reference U.S. Government activity |
| 14842005-5 | 3/9 Design control — primary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 14842005-5 | 5/9 Secondary reference U.S. Government activity |
| PL14841200 REV E ITEM 28 | 5/9 Secondary reference Gulf Coast Holdings, Inc Dba Unidynamics |
| 14842005 | D/9 Drawing number reference only U.S. Government activity |
| PL14841200 REV E ITEM 28 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-431-9190 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-431-9191, 3020-01-431-9192. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-431-9190: Hub Outside Diameter: 4.000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.809 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.750 INCHES NOMINAL IN. 23 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.