The Sprocket Wheel, cataloged under National Stock Number 3020-01-189-2202, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 22 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-189-2202 |
| Primary Part Number | EM1-11-1000 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Hub Outside Diameter | 0.312 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.312 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.147 INCHES NOMINAL IN |
| Outside Diameter | 0.576 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 0.524 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 11 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.187 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 0.086-56 |
| Hole Location | THRU HUB |
| Bore Diameter | 0.1248 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Face Width | 0.125 INCHES NOMINAL IN |
| Furnished Items and Quantity | ONE SETSCREW |
| 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 |
|---|---|
| EM1-11-1000 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 014512-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 014512 | D/9 Drawing number reference only Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 014512-1 | 7/9 Vendor item drawing reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| EM1-11 | 5/9 Secondary reference Roller Bearing Co of America, Inc Div Pic Design |
NSN 3020-01-189-2202 is a Sprocket Wheel, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-189-2202 has 1 manufacturer part number on file: EM1-11-1000 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for EM1-11-1000: Hub Outside Diameter: 0.312 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 0.312 INCHES NOMINAL IN; Design Form: PLAIN. 22 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.