The Sprocket Wheel, cataloged under National Stock Number 3020-01-450-4772, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cemen Tech, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-450-4772 |
| Primary Part Number | 5179-212A |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cemen Tech, Inc. |
| Status | ACTIVE |
| Bore Length | 2.500 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 1.654 INCHES NOMINAL IN |
| Outside Diameter | 7.000 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 1.650 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 12 |
| Protruding Hub Characteristic | PLAIN |
| Bore Diameter | 1.500 INCHES NOMINAL IN |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.560 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 |
| Part Number | Manufacturer |
|---|---|
| 5179-212A PRIMARY | Cemen Tech, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9310C8603-001 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 3020-01-450-4772 is a Sprocket Wheel, manufactured by Cemen Tech, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-450-4772 has 1 manufacturer part number on file: 5179-212A (Cemen Tech, Inc.).
Key specifications for 5179-212A: Bore Length: 2.500 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 1.654 INCHES NOMINAL IN; Outside Diameter: 7.000 INCHES NOMINAL IN. 15 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.