The Gear Cluster, cataloged under National Stock Number 3020-00-682-5376, 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 Ametek Inc Lamb Electric Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-682-5376 |
| Primary Part Number | 45434-A |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ametek Inc Lamb Electric Div |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.178 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 0.303 INCHES IN |
| Nominal Outside Diameter | 0.3525 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 1.8415 INCHES FIRST GEAR IN |
| Material | STEEL OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45434-A PRIMARY | Ametek Inc Lamb Electric Div (USA) |
| Reference | Meaning |
|---|---|
| 1433-644154 | 7/2 Vendor item drawing reference Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
NSN 3020-00-682-5376 is a Gear Cluster, manufactured by Ametek Inc Lamb Electric Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-682-5376 has 1 manufacturer part number on file: 45434-A (Ametek Inc Lamb Electric Div).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-830-4726. Verify interchangeability with system specifications before substitution.
Key specifications for 45434-A: Bore Nominal Diameter: 0.178 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Bore Style: PLAIN BOTH ENDS. 9 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.