The Gear Cluster, cataloged under National Stock Number 3020-00-673-9464, 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 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-673-9464 |
| Primary Part Number | 331098 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.998 INCHES FIRST END IN |
| Counterbore Nominal Diameter | 0.575 INCHES SECOND END IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Overall Length | 3.250 INCHES IN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN FIRST END |
| Hub Nominal Length | 0.180 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 1.448 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 4.153 INCHES FIRST GEAR IN |
| Material | STEEL COMP E9310 OVERALL |
| Counterbore Nominal Depth | 2.750 INCHES SECOND END IN |
| 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 |
|---|---|
| 331098 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 331098 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 3020-00-673-9464 is a Gear Cluster, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-673-9464 has 1 manufacturer part number on file: 331098 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-356-6054, 5340-01-375-4947. Verify interchangeability with system specifications before substitution.
Key specifications for 331098: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.998 INCHES FIRST END IN; Counterbore Nominal Diameter: 0.575 INCHES SECOND END IN; Design Type: SPUR SECOND GEAR. 15 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.