The Gear,helical, cataloged under National Stock Number 3020-00-239-7624, 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 Eastman Kodak Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-239-7624 |
| Primary Part Number | 650663 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eastman Kodak Co |
| Status | ACTIVE |
| Keyway Nominal Width | 0.125 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.3750 INCHES FIRST END IN |
| Helix Angle | 45.0000 DEGREES |
| Hub Nominal Diameter | 0.875 INCHES FIRST END IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 0.875 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.2304 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.4062 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.2500 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Face Nominal Width | 0.500 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 |
|---|---|
| 650663 PRIMARY | Eastman Kodak Co (USA) |
| Reference | Meaning |
|---|---|
| 458383 | 5/9 Secondary reference Eastman Kodak Co |
NSN 3020-00-239-7624 is a Gear,helical, manufactured by Eastman Kodak Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-239-7624 has 1 manufacturer part number on file: 650663 (Eastman Kodak Co).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-251-5513. Verify interchangeability with system specifications before substitution.
Key specifications for 650663: Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.3750 INCHES FIRST END IN; Helix Angle: 45.0000 DEGREES; Hub Nominal Diameter: 0.875 INCHES FIRST END IN. 20 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.