The Gear,worm, cataloged under National Stock Number 3020-01-352-3815, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-352-3815 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 10.000 INCHES BOTH ENDS IN |
| Helix Angle | 14.5811 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 12 PLAIN AXIALLY THROUGH FLANGE |
| Face Type | CONCAVE |
| Mounting Hole Nominal Diameter | 0.688 INCHES AXIALLY THROUGH FLANGE IN |
| Mating Pitch Diameter | 16.4000 INCHES NOMINAL IN |
| Style Designator | HUBLESS, RECESSED BODY |
| Pitch Diameter | 16.4000 INCHES NOMINAL IN |
| Thread Form Quantity | 1 |
| Nominal Outside Diameter | 17.250 INCHES IN |
| Material | BRONZE OVERALL |
| Bolt Hole Circle Nominal Diameter | 11.750 INCHES AXIALLY THROUGH FLANGE IN |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 1.375 INCHES SECOND END IN |
| Body Recess Nominal Depth | 0.500 INCHES FIRST END IN |
| Face Nominal Width | 2.317 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 |
|---|---|
| 8015-324 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-352-3815 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-352-3815: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 10.000 INCHES BOTH ENDS IN; Helix Angle: 14.5811 DEGREES; Bore Style: PLAIN BOTH ENDS. 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.