The Sprocket Wheel, cataloged under National Stock Number 3020-00-166-0271, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-166-0271 |
| Primary Part Number | 2537922 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Hub Outside Diameter | 1.500 INCHES NOMINAL AA END IN |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 25 |
| Outside Diameter | 2.050 INCHES NOMINAL2.050 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.915 INCHES NOMINAL1.915 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 24 |
| Protruding Hub Characteristic | PLAIN |
| Distance From Hub End to Flange End | 0.510 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 11 |
| Drilled Hole Diameter | 0.187 INCHES MINIMUM AND 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM0.192 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE |
| Hole Location | ON HUB END |
| Bore Diameter | 0.990 INCHES MINIMUM AND 0.990 INCHES MINIMUM AND 0.991 INCHES MAXIMUM0.991 INCHES MAXIMUM IN |
| Face Width | 0.110 INCHES NOMINAL IN |
| Securing Location | AA END |
| 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 |
|---|---|
| 2537922 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-166-0271 is a Sprocket Wheel, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-166-0271 has 1 manufacturer part number on file: 2537922 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2537922: Hub Outside Diameter: 1.500 INCHES NOMINAL AA END IN; Securing Method: DRILLED HOLE; Bore Length: 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN; Design Form: PLAIN. 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.
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.