The Sprocket Wheel, cataloged under National Stock Number 3020-00-477-3353, 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 Garwood/feller Inc Garwood Winch Div. Government technical data includes 17 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 | 3020-00-477-3353 |
| Primary Part Number | 860321 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Garwood/feller Inc Garwood Winch Div |
| Status | ACTIVE |
| Spline Minor Diameter | 1.775 INCHES MINIMUM AND 1.778 INCHES MAXIMUM IN |
| Hub Outside Diameter | 3.500 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 2.500 INCHES NOMINAL BB END IN |
| Design Form | WEBBED |
| Teeth Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 2.640 INCHES NOMINAL IN |
| Asa Standard Chain Number | A522-1 |
| Spline Length | 2.250 INCHES NOMINAL IN |
| Pitch Diameter | 7.720 INCHES NOMINAL IN |
| Spline Major Diameter | 2.000 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN |
| Bore Type | INVOLUTE SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 9 |
| Spline Pressure Angle in Deg | 30.0 |
| Hardness Rating Test Method | ROCKWELL |
| Spline Quantity | 15 |
| Spline Pitch Diameter | 1.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 860321 PRIMARY | Garwood/feller Inc Garwood Winch Div (USA) |
NSN 3020-00-477-3353 is a Sprocket Wheel, manufactured by Garwood/feller Inc Garwood Winch Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-477-3353 has 1 manufacturer part number on file: 860321 (Garwood/feller Inc Garwood Winch Div).
Key specifications for 860321: Spline Minor Diameter: 1.775 INCHES MINIMUM AND 1.778 INCHES MAXIMUM IN; Hub Outside Diameter: 3.500 INCHES NOMINAL AA END IN; Hub Outside Diameter: 2.500 INCHES NOMINAL BB END IN; Design Form: WEBBED. 17 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.