The Gear,spur, cataloged under National Stock Number 3020-00-294-8645, 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 Hatch & Kirk, Inc.. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-8645 |
| Primary Part Number | 3222791 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.500 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.875 INCHES SECOND END IN |
| Teeth Quantity | 102 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 2.561 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES FIRST END IN |
| Nominal Overall Length | 0.906 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.1875 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | 1 GROOVE FIRST END |
| Nominal Outside Diameter | 3.244 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Nominal Distance From End to First Groove | 0.375 INCHES FIRST END IN |
| End Nominal Diameter | 0.814 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON CAST OVERALL |
| First Groove Nominal Diameter | 0.750 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.219 INCHES SECOND END IN |
| First Groove Nominal Width | 0.125 INCHES FIRST END IN |
| Face Nominal Width | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-294-8645 is a Gear,spur, manufactured by Hatch & Kirk, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-8645 has 2 manufacturer part numbers on file: 204033 (Woodward, Inc. Div Fuel Systems and Controls), 3222791 (Hatch & Kirk, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4330-00-605-0259, 6515-01-389-1377, 6510-01-700-9268. Verify interchangeability with system specifications before substitution.
Key specifications for 3222791: Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.875 INCHES SECOND END IN; Teeth Quantity: 102; Body Style: PLAIN, SOLID. 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.