The Gear,spur, cataloged under National Stock Number 3020-01-142-3817, 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 Dba Raytheon Co. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-142-3817 |
| Primary Part Number | 589573-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.250 INCHES FIRST END0.250 INCHES FIRST END IN |
| Teeth Quantity | 1616 |
| Body Style | PLAIN, SOLIDPLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDSPLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN TRANSVERSELY THROUGH HUB FIRST END3 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END0.188 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END0.062 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Style Designator | PROTRUDING HUBPROTRUDING HUB |
| Pitch Diameter | 0.3333 INCHES NOMINAL0.3333 INCHES NOMINAL IN |
| Tooth Form | STANDARDSTANDARD |
| Hub Style Designator | PLAIN FIRST ENDPLAIN FIRST END |
| Nominal Outside Diameter | 0.375 INCHES0.375 INCHES IN |
| Pressure Angle | 20.0000 DEGREES20.0000 DEGREES |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Attachment Method | MOUNTING HOLEMOUNTING HOLE |
| Face Nominal Width | 0.125 INCHES0.125 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 |
NSN 3020-01-142-3817 is a Gear,spur, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-142-3817 has 2 manufacturer part numbers on file: 589573-1 (Raytheon Company Dba Raytheon Co), 589573-1 (Raytheon Company).
Key specifications for 589573-1: Bore Nominal Diameter: 0.125 INCHES BOTH ENDS0.125 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.250 INCHES FIRST END0.250 INCHES FIRST END IN; Teeth Quantity: 1616; Body Style: PLAIN, SOLIDPLAIN, SOLID. 17 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.