The Sprocket Wheel, cataloged under National Stock Number 3020-00-995-1105, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-995-1105 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 2.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 2.125 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.875 INCHES NOMINAL IN |
| Asa Standard Chain Number | 140 |
| Outside Diameter | 4.521 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 3.920 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 8 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.600 INCHES NOMINAL BOTH ENDS IN |
| Surface Treatment | PAINT |
| Bore Diameter | 1.500 INCHES NOMINAL IN |
| Material | IRON CAST |
| Face Width | 0.908 INCHES MINIMUM AND 0.924 INCHES MAXIMUM 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 |
|---|---|
| B8026 | 5/9 Secondary reference Pettibone Llc |
| B8026 | C/1 Advisory reference — outside the item-of-supply concept Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| 13212E5375 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-995-1105 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): 4820-01-575-3019. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-995-1105: Hub Outside Diameter: 2.000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 2.125 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.875 INCHES NOMINAL IN. 18 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.