The Gear Cluster, cataloged under National Stock Number 3020-00-403-1429, 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11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-403-1429 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.060 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.102 INCHES SECOND END IN |
| Design Type | SPUR ALL GEARS |
| Nominal Overall Length | 0.330 INCHES IN |
| Material Document and Classification | QQ-S-763,CL 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 2 STEPS SECOND END |
| Hub Nominal Length | 0.116 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.192 INCHES SECOND GEAR IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Construction | ASSEMBLED |
| 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 |
|---|---|
| 342105 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-403-1429 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 2840-00-611-4261, 1560-00-779-1494, 6515-01-139-8115. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-403-1429: Hub Nominal Diameter: 0.060 INCHES FIRST END IN; Hub Nominal Diameter: 0.102 INCHES SECOND END IN; Design Type: SPUR ALL GEARS; Nominal Overall Length: 0.330 INCHES IN. 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.