The Gear Cluster, cataloged under National Stock Number 3020-00-320-8555, 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 General Electric Company. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-320-8555 |
| Primary Part Number | 167B243P2 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.344 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 FIRST GEAR |
| Nominal Overall Length | 0.656 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Nominal Length | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.1252 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.187 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 2.717 INCHES FIRST GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 167B243P2 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 7416061P1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
NSN 3020-00-320-8555 is a Gear Cluster, manufactured by General Electric Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-320-8555 has 1 manufacturer part number on file: 167B243P2 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 3020-00-758-6484. Verify interchangeability with system specifications before substitution.
Key specifications for 167B243P2: Bore Nominal Diameter: 0.344 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Bore Style: PLAIN BOTH ENDS. 14 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.
NSN 3020-00-320-8555 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.