The Gear,worm Wheel, cataloged under National Stock Number 3020-00-334-9255, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-334-9255 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 40 |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 22.1860 INCHES NOMINAL IN |
| Nominal Outside Diameter | 23.6250 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Bolt Hole Circle Nominal Diameter | 17.125 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 1.2500 INCHES FIRST END IN |
| Mating Thread Lead Quantity | 40 |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 3.250 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 |
|---|---|
| K3291W2ALT4PC95 | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| K3291W1-95 | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| K3291W1-95 | 5/9 Secondary reference U.S. Government activity |
| 3291W1-95 | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| K3291W1ALT4PC95 | 5/9 Secondary reference Fmc Corp Link-Belt Div |
| 494704ALT4PC95 | 3/2 Design control — primary reference U.S. Government activity |
| 494703ALT4PC95 | 3/2 Design control — primary reference U.S. Government activity |
| 494703APC95 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-334-9255 is a Gear,worm Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-334-9255: Teeth Quantity: 40; Tooth Direction: LEFT; Bore Style: PLAIN BOTH ENDS; Style Designator: FLUSH HUB. 12 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.