The Gear,internal, cataloged under National Stock Number 3020-01-063-0143, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-063-0143 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Helix Angle | 15.0000 DEGREES |
| Teeth Quantity | 53 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Mounting Hole Type and Quantity | 3 THREADED AXIALLY THROUGH BODY FIRST END |
| Teeth Type | SINGLE HELIX |
| Style Designator | PLAIN RING |
| Tooth Form | STANDARD |
| Mounting Hole Nominal Thread Size | 0.190 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Outside Diameter | 4.800 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.475 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.690 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 |
|---|---|
| 200136T PC327-15 | 5/9 Secondary reference U.S. Government activity |
| 1H-C18FS-19-13833-1REF17 | 5/9 Secondary reference Winsmith Div Umc Industries Inc |
| 000307 | 3/9 Design control — primary reference Winsmith Div Umc Industries Inc |
NSN 3020-01-063-0143 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-01-283-5545. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-063-0143: Helix Angle: 15.0000 DEGREES; Teeth Quantity: 53; Body Style: PLAIN, SOLID; Tooth Direction: RIGHT. 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.