The Gear,internal, cataloged under National Stock Number 3020-01-339-0501, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-339-0501 |
| Primary Part Number | 5021-6343 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Body Style | SPOKED, OFFSET |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 0.531 INCHES IN |
| Criticality Code Justification | FEAT |
| Style Designator | FLANGED RING |
| Nominal Outside Diameter | 1.375 INCHES IN |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5021-6343 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 5021-6343 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 5021-6343 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 3020-01-339-0501 is a Gear,internal, manufactured by Keysight Technologies Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-339-0501 has 1 manufacturer part number on file: 5021-6343 (Keysight Technologies Inc).
Key specifications for 5021-6343: Body Style: SPOKED, OFFSET; Teeth Type: SINGLE HELIX; Nominal Overall Length: 0.531 INCHES IN; Criticality Code Justification: FEAT. 8 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.