The Gear Cluster, cataloged under National Stock Number 3020-01-322-0010, 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 Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-322-0010 |
| Primary Part Number | 5186681 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.984 INCHES BOTH ENDS IN |
| Design Type | HELICAL SECOND GEAR |
| Design Type | SPUR THIRD GEAR |
| Nominal Overall Length | 4.818 INCHES IN |
| Hub Style Designator | 1 STEP BOTH ENDS |
| Hub Nominal Length | 0.659 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 1.714 INCHES THIRD GEAR IN |
| Nominal Outside Diameter | 4.818 INCHES SECOND GEAR IN |
| Material | STEEL 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 |
|---|---|
| 5186681 | Naval Sea Systems Command (USA) |
| 5186681 | Superior Gear Inc Sub of Solar Turbine (USA) |
| 5186681 | Intra Aerospace Llc Div Intra Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 5186681 | 5/9 Secondary reference Magnaflux Corp Los Angeles Lab |
| 5186681 | 5/9 Secondary reference Electrodes Inc |
| 5186681 | 5/9 Secondary reference Kosmo Gears |
| 5186681 | 3/9 Design control — primary reference Marino Enterprises, Inc. Dba Gear Technology Div Gear Technology |
| 3020PL0979942 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3020-01-322-0010 is a Gear Cluster, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-322-0010 has 3 manufacturer part numbers on file: 5186681 (Naval Sea Systems Command), 5186681 (Superior Gear Inc Sub of Solar Turbine), 5186681 (Intra Aerospace Llc Div Intra Aerospace).
Key specifications for 5186681: Hub Nominal Diameter: 0.984 INCHES BOTH ENDS IN; Design Type: HELICAL SECOND GEAR; Design Type: SPUR THIRD GEAR; Nominal Overall Length: 4.818 INCHES IN. 10 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 3020-01-322-0010 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.