The Gear Cluster, cataloged under National Stock Number 3020-00-700-1630, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-700-1630 |
| Primary Part Number | S6165-21005 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.312 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 | 1.750 INCHES IN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 2 STEPS BOTH ENDS |
| Hub Nominal Length | 0.500 INCHES SECOND END IN |
| Hub Nominal Length | 0.500 INCHES FIRST END IN |
| Hub Nominal Length | 0.193 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.3750 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Nominal Outside Diameter | 1.123 INCHES FIFTH GEAR IN |
| Nominal Outside Diameter | 3.872 INCHES FOURTH GEAR IN |
| Material | STEEL COMP E9310 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 |
|---|---|
| S6165-21005 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3020-00-700-1630 is a Gear Cluster, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-700-1630 has 1 manufacturer part number on file: S6165-21005 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6165-21005: Bore Nominal Diameter: 0.312 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Bore Style: PLAIN BOTH ENDS. 16 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.