The Gear,internal, cataloged under National Stock Number 3020-01-376-4549, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-376-4549 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 33 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Diameter | 5.673 INCHES IN |
| Mounting Hole Type and Quantity | 4 THREADED AXIALLY THROUGH FLANGE |
| Nominal Overall Length | 3.100 INCHES IN |
| Style Designator | RECESSED RING FLANGE TYPE HUG |
| Mounting Hole Nominal Thread Size | 0.438 INCHES AXIALLY THROUGH FLANGE IN |
| Nominal Outside Diameter | 5.673 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 14 AXIALLY THROUGH FLANGE |
| Material | STEEL OVERALL |
| Attachment Method | MOUNTING HOLE |
| 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 |
|---|---|
| 10-17-179-001 | 3/9 Design control — primary reference Marysville Marine Distributors, Inc. |
| 3020PL0812160 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10-17-179-001 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
NSN 3020-01-376-4549 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-376-4549: Teeth Quantity: 33; Body Style: PLAIN, SOLID; Flange Nominal Diameter: 5.673 INCHES IN; Mounting Hole Type and Quantity: 4 THREADED AXIALLY THROUGH FLANGE. 11 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.