The Gear,spur, cataloged under National Stock Number 3020-01-346-1866, 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 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 | 3020-01-346-1866 |
| Primary Part Number | 1264-460 |
| 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 | 4.281 INCHES BOTH ENDS IN |
| Teeth Quantity | 320 |
| Surface Treatment Document and Classification | MIL-A-8625,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 8 THREADED AXIALLY THROUGH BODY FIRST END |
| Style Designator | HUBLESS |
| Material Document and Classification | QQ-A-200/11-T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.0000 INCHES NOMINAL IN |
| Mounting Hole Nominal Thread Size | 0.086 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Outside Diameter | 5.031 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.214 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.187 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1264-460 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
NSN 3020-01-346-1866 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 3020-01-346-1866 has 1 manufacturer part number on file: 1264-460 (Bae Systems Information and Electronic Systems Integration Inc.).
Key specifications for 1264-460: Bore Nominal Diameter: 4.281 INCHES BOTH ENDS IN; Teeth Quantity: 320; Surface Treatment Document and Classification: MIL-A-8625,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 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.
NSN 3020-01-346-1866 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.