The Gear,spur, cataloged under National Stock Number 3020-01-346-1863, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 24 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 | 3020-01-346-1863 |
| Primary Part Number | 1264-776 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.156 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.200 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.312 INCHES FIRST END IN |
| Mounting Hole Thread Tolerance Class | 2B INTERNAL TRANSVERSELY THROUGH HUB SECOND END |
| Teeth Quantity | 100 |
| Surface Treatment Document and Classification | MIL-C-5541,CL 1A (FS10015) MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 1 PLAIN TRANSVERSELY THROUGH HUB SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.219 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.010 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.036 INCHES TRANSVERSELY THROUGH HUB SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-A-225/6 2024-T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5625 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Hub Style Designator | PINNED FIRST END |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB SECOND END IN |
| Nominal Outside Diameter | 1.594 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB SECOND END |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.062 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 |
|---|---|
| 1264-776 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3020-01-346-1863 is a Gear,spur, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-346-1863 has 1 manufacturer part number on file: 1264-776 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for 1264-776: Bore Nominal Diameter: 0.156 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.200 INCHES SECOND END IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Mounting Hole Thread Tolerance Class: 2B INTERNAL TRANSVERSELY THROUGH HUB SECOND END. 24 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.