The Gear,worm Wheel, cataloged under National Stock Number 3020-01-172-2762, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-172-2762 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 40 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.468 INCHES BOTH ENDS IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 5.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.166 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.539 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 1.063 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 |
| Reference | Meaning |
|---|---|
| 02-23-02978-320 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-172-2762 is a Gear,worm Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-172-2762: Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.250 INCHES BOTH ENDS IN; Teeth Quantity: 40; Body Style: WEBBED, 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.