The Gear,spur, cataloged under National Stock Number 3020-01-462-5966, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-462-5966 |
| Primary Part Number | 551-6406431 FIND 9 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.805 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Pitch Diameter | 2.2500 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.500 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | NICKEL ALLOY BODY |
| Face Nominal Width | 1.440 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 |
|---|---|
| 551-6406431 FIND 9 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 551-6406431-9 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3020-01-462-5966 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-462-5966 has 1 manufacturer part number on file: 551-6406431 FIND 9 (Naval Sea Systems Command).
Key specifications for 551-6406431 FIND 9: Teeth Quantity: 16; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.805 INCHES BOTH ENDS IN; Style Designator: PROTRUDING HUB, RECESSED BODY. 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.