The Sprocket Wheel, cataloged under National Stock Number 3020-00-474-9242, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 3020-00-474-9242 |
| Primary Part Number | GS3540 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 25-1/4 |
| Outside Diameter | 3.010 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 2.228 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 36 |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 1 |
| Bolt Circle Diameter | 1.757 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM |
| Hole Location | ON SPROCKET FACE |
| Bore Diameter | 1.820 INCHES MINIMUM AND 1.825 INCHES MAXIMUM IN |
| Material | STEEL |
| Face Width | 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Securing Location | BOTH ENDS |
| 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 |
|---|---|
| GS3540 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3020-00-474-9242 is a Sprocket Wheel, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-474-9242 has 1 manufacturer part number on file: GS3540 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for GS3540: Securing Method: DRILLED HOLE; Bore Length: 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Design Form: PLAIN; Tooth Pitch: 0.250 INCHES NOMINAL IN. 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.