The Gear Sector,spur, cataloged under National Stock Number 3020-01-307-3788, 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 18 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 | 3020-01-307-3788 |
| Primary Part Number | 5266362 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 0.249 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.620 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.677 INCHES FIRST END IN |
| Teeth Quantity | 84 |
| Nominal Outside Radius | 5.375 INCHES IN |
| Bore Style | W/ KEYWAY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-766,CLASS 304,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Arc Nominal Length | 4.289 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.338 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pitch Radius | 5.2500 INCHES NOMINAL IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 304 OVERALL |
| Face Nominal Width | 0.620 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 |
|---|---|
| 5266362 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3020-01-307-3788 is a Gear Sector,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-307-3788 has 1 manufacturer part number on file: 5266362 (Naval Sea Systems Command).
Key specifications for 5266362: Keyway Nominal Width: 0.249 INCHES FIRST END IN; Bore Nominal Diameter: 0.620 INCHES FIRST END IN; Hub Nominal Diameter: 0.677 INCHES FIRST END IN; Teeth Quantity: 84. 18 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.