The Gear,spur, cataloged under National Stock Number 3020-00-239-3835, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-239-3835 |
| Primary Part Number | 3244055 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.3118 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.5940 INCHES FIRST END IN |
| Teeth Quantity | 22 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.312 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-16782-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.6875 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.7480 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.188 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 |
| Part Number | Manufacturer |
|---|---|
| 3244055 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 210054800 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| N27218PC178 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3244055 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| A21-00548 | 5/9 Secondary reference Curtiss-Wright Controls, Inc. Div Actuation Division |
| G9BD8 | 5/9 Secondary reference Curtiss-Wright Controls, Inc. Div Actuation Division |
NSN 3020-00-239-3835 is a Gear,spur, manufactured by Hatch & Kirk, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-239-3835 has 2 manufacturer part numbers on file: 3244055 (Hatch & Kirk, Inc.), 210054800 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 3244055: Bore Nominal Diameter: 0.3118 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.5940 INCHES FIRST END IN; Teeth Quantity: 22; Body Style: PLAIN, SOLID. 16 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.