The Gear,worm, cataloged under National Stock Number 3020-00-163-4635, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-163-4635 |
| Primary Part Number | 748956 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eastman Kodak Co |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 0.500 INCHES BOTH ENDS IN |
| Helix Angle | 17.7500 DEGREES |
| Hub Nominal Diameter | 0.7060 INCHES BOTH ENDS IN |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH FLANGE |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.125 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Overall Length | 1.375 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 0.7140 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Thread Form Quantity | 4 |
| Nominal Outside Diameter | 1.0710 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | PLASTIC OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.000 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 |
|---|---|
| 748956 PRIMARY | Eastman Kodak Co (USA) |
| Reference | Meaning |
|---|---|
| 594480 | 5/9 Secondary reference Eastman Kodak Co |
NSN 3020-00-163-4635 is a Gear,worm, manufactured by Eastman Kodak Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-163-4635 has 1 manufacturer part number on file: 748956 (Eastman Kodak Co).
Key specifications for 748956: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Helix Angle: 17.7500 DEGREES; Hub Nominal Diameter: 0.7060 INCHES BOTH ENDS IN. 18 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.