The Gear,helical, cataloged under National Stock Number 3020-00-262-8936, 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 Siemens Energy, Inc.. 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 | 3020-00-262-8936 |
| Primary Part Number | LC264 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.312 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.577 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.312 INCHES SECOND END IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES BOTH ENDS IN |
| Teeth Type | SINGLE HELIX |
| Nominal Overall Length | 3.250 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-S-890,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.7538 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.0360 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.949 INCHES AND 0.939 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 2.250 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 |
|---|---|
| LC264 PRIMARY | Siemens Energy, Inc. (USA) |
NSN 3020-00-262-8936 is a Gear,helical, manufactured by Siemens Energy, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-262-8936 has 1 manufacturer part number on file: LC264 (Siemens Energy, Inc.).
Key specifications for LC264: Keyway Nominal Width: 0.312 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.577 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.312 INCHES SECOND END IN; Teeth Quantity: 14. 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.
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.