The Gear,spur, cataloged under National Stock Number 3020-01-407-9352, 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 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 | 3020-01-407-9352 |
| Primary Part Number | 6743946 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 0.625 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 2.3132 INCHES BOTH ENDS IN |
| Teeth Quantity | 74 |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE Z,CLASS 4E MIL STD ALL TREATMENT RESPONSES OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.375 INCHES BETWEEN BODY AND FLANGE IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 7.4000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 7.6000 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 2.597 INCHES BOTH ENDS IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4340 OVERALL |
| Attachment Method | SLOT |
| Face Nominal Width | 2.375 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 |
|---|---|
| 6743946 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-407-9352 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-407-9352 has 1 manufacturer part number on file: 6743946 (Naval Sea Systems Command).
Key specifications for 6743946: Keyway Nominal Width: 0.625 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.3132 INCHES BOTH ENDS IN; Teeth Quantity: 74; Surface Treatment Document and Classification: MIL-P-16232,TYPE Z,CLASS 4E MIL STD ALL TREATMENT RESPONSES OVERALL. 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.