The Gear,spur, cataloged under National Stock Number 3020-00-294-5590, 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 Raytheon Company Div Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-5590 |
| Primary Part Number | YB2018-1019REV4PT1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.150 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.406 INCHES FIRST END IN |
| Teeth Quantity | 195 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.190 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.0630 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 4.102 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Face Nominal Width | 0.406 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 |
|---|---|
| YB2018-1019REV4PT1 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| YB2018-1019REV4PT1 | 5/9 Secondary reference Profile Gear Corp |
| 2025P1 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-294-5590 is a Gear,spur, manufactured by Raytheon Company Div Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-5590 has 1 manufacturer part number on file: YB2018-1019REV4PT1 (Raytheon Company Div Corp).
Key specifications for YB2018-1019REV4PT1: Bore Nominal Diameter: 3.150 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.406 INCHES FIRST END IN; Teeth Quantity: 195; Body Style: PLAIN, SOLID. 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.