The Sprocket Wheel, cataloged under National Stock Number 3020-00-811-6835, 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 Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-811-6835 |
| Primary Part Number | 1184-21 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.388 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Lubrication Mode | NO VISIBLE MEANS |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 25 |
| Outside Diameter | 0.919 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 0.809 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 10 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.270 INCHES NOMINAL BOTH ENDS IN |
| Securing Hole Quantity | 1 |
| Drilled Hole Diameter | 0.094 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Hole Location | 0.093 IN. FROM FACE TO CENTER OF HOLE IN |
| Bore Diameter | 0.3152 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 |
| Face Width | 0.108 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 |
|---|---|
| 1184-21 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 1184-21 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 1184C21 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-811-6835 is a Sprocket Wheel, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-811-6835 has 1 manufacturer part number on file: 1184-21 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 1184-21: Securing Method: DRILLED HOLE; Bore Length: 0.388 INCHES NOMINAL IN; Design Form: PLAIN; Lubrication Mode: NO VISIBLE MEANS. 24 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.