The Sprocket Wheel, cataloged under National Stock Number 3020-00-810-0302, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-810-0302 |
| Primary Part Number | 1141-19 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | CANCELLED |
| Bore Type | STRAIGHT |
| Securing Location | AA END |
| Material Document and Classification | MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE |
| Hub Outside Diameter | 0.687 INCHES NOMINAL AND 0.750 INCHES NOMINAL BOTH ENDS IN |
| Teeth Quantity Per Row | 24 |
| Distance From Hub End to Flange End | 0.259 INCHES NOMINAL AND 0.287 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.4731 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Furnished Items | LIGHTENING HOLE |
| Pitch Diameter | 1.915 INCHES NOMINAL IN |
| Outside Diameter | 2.049 INCHES NOMINAL IN |
| Bore Length | 0.656 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.073 INCHES NOMINAL IN |
| Teeth Row Quantity | 1 |
| Design Form | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Hole Location | LOCATED 0.109 IN. FROM FACE TO CENTER OF HOLE THROUGH ONE SIDE ONLY IN |
| Style Designator | PLAIN |
| Protruding Hub Characteristic | PLAIN |
| Securing Method | DRILLED HOLE |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 30.0 ROCKWELL C MINIMUM HUB AND 35.0 ROCKWELL C MAXIMUM HUB |
| Surface Treatment | CADMIUM |
| Face Width | 0.110 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| Teeth Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-810-0302 is a Sprocket Wheel, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-810-0302 has 3 cross-referenced part numbers: 1141C19 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), 1141-19 (Goodrich Corporation Dba Trw Lucas Aerospace), 1141-19 (Hornet Acquisitionco, Llc Dba Onboard Systems).
There is 1 known substitute for 3020-00-810-0302: 5310-00-171-8882. Verify interchangeability with system specifications before substitution.
Key specifications for 1141-19: Bore Type: STRAIGHT; Securing Location: AA END; Material Document and Classification: MIL-S-5626, COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE; Hub Outside Diameter: 0.687 INCHES NOMINAL AND 0.750 INCHES NOMINAL BOTH ENDS IN. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-810-0302 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.