The Sprocket Wheel, cataloged under National Stock Number 3020-00-809-2790, 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23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-809-2790 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 1.150 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.178 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Key Width | 0.1885 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM IN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-S-6049, COND C1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 1.803 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 15 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.467 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.447 INCHES NOMINAL BOTH ENDS IN |
| Keyway Width | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 8740 |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.283 INCHES NOMINAL 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 |
|---|---|
| 731202-101 | 5/9 Secondary reference U.S. Government activity |
| 731202-101 | 3/9 Design control — primary reference Lockheed Martin Services, Llc |
| 727366-1 | 5/9 Secondary reference U.S. Government activity |
| 731202-101 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-809-2790 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-809-2790: Hub Outside Diameter: 1.150 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.178 INCHES NOMINAL IN; Design Form: PLAIN; Key Width: 0.1885 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM 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.
NSN 3020-00-809-2790 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.