The Gear,worm Wheel, cataloged under National Stock Number 3020-00-684-1483, 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 Westinghouse Electric Corp. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-684-1483 |
| Primary Part Number | 905J913-3 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Keyway Nominal Width | 0.495 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 2.164 INCHES BOTH ENDS IN |
| Helix Angle | 7.5832 DEGREES |
| Hub Nominal Diameter | 3.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 26 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 3.250 INCHES BOTH ENDS IN |
| Throat Nominal Radius | 0.558 INCHES IN |
| Face Type | CONCAVE |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-C-15345 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.9980 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 6.750 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.348 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Mating Thread Lead Quantity | 1 |
| Face Nominal Width | 1.125 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 |
|---|---|
| 905J913-3 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 905J913-3 | 3/2 Design control — primary reference U.S. Government activity |
| 905J913-3 | 5/9 Secondary reference U.S. Government activity |
| 905J913-3 | 5/9 Secondary reference Ships Parts Inc |
NSN 3020-00-684-1483 is a Gear,worm Wheel, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-684-1483 has 1 manufacturer part number on file: 905J913-3 (Westinghouse Electric Corp).
Key specifications for 905J913-3: Keyway Nominal Width: 0.495 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.164 INCHES BOTH ENDS IN; Helix Angle: 7.5832 DEGREES; Hub Nominal Diameter: 3.250 INCHES BOTH ENDS IN. 21 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.