The Gear Sector,internal, cataloged under National Stock Number 3020-01-391-8367, 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 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-391-8367 |
| Primary Part Number | 6398093 PC 17 |
| Item Name | Gear Sector,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 17 |
| Nominal Outside Radius | 3.250 INCHES IN |
| Style Designator | PLAIN RING |
| Material Document and Classification | QQ-C-450,COMP 614 SOFT TEMPER FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Arc Nominal Length | 6.676 INCHES IN |
| Pitch Radius | 3.1250 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Face Nominal Width | 0.375 INCHES IN |
| 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 |
|---|---|
| 6398093 PC 17 PRIMARY | Naval Sea Systems Command (USA) |
| 501-6398093 | Naval Sea Systems Command (USA) |
| 2730-805 ITEM 17 PRIMARY | Naval Sea Systems Command (USA) |
| 501-6398093 PC 17 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6398093 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2730-805 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3020-01-391-8367 is a Gear Sector,internal, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-391-8367 has 4 manufacturer part numbers on file: 6398093 PC 17 (Naval Sea Systems Command), 501-6398093 (Naval Sea Systems Command), 2730-805 ITEM 17 (Naval Sea Systems Command), 501-6398093 PC 17 (Naval Sea Systems Command).
Key specifications for 6398093 PC 17: Teeth Quantity: 17; Nominal Outside Radius: 3.250 INCHES IN; Style Designator: PLAIN RING; Material Document and Classification: QQ-C-450,COMP 614 SOFT TEMPER FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.