The Gear,internal, cataloged under National Stock Number 3020-00-648-2065, 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 Us Army Aviation and Missile Command. Government technical data includes 19 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 | 3020-00-648-2065 |
| Primary Part Number | 9084343 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 16.885 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 21.499 INCHES SECOND END IN |
| Teeth Quantity | 170 |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 12 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.181 INCHES BOTH ENDS IN |
| Mounting Hole Nominal Diameter | 0.562 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Teeth Type | SPUR |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.562 INCHES IN |
| Style Designator | SOLID BACK RING, PROTRUDING HUB, RECESSED HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 22.3120 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 19.875 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.381 INCHES IN |
| 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 |
|---|---|
| 9084343 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-648-2065 is a Gear,internal, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-648-2065 has 1 manufacturer part number on file: 9084343 (Us Army Aviation and Missile Command).
Key specifications for 9084343: Bore Nominal Diameter: 16.885 INCHES BOTH ENDS IN; Hub Nominal Diameter: 21.499 INCHES SECOND END IN; Teeth Quantity: 170; Bore Style: PLAIN BOTH ENDS. 19 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 3020-00-648-2065 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.