The Gear,spur, cataloged under National Stock Number 3020-01-059-6104, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-059-6104 |
| Primary Part Number | 912155-1 |
| 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 | 1.250 INCHES BOTH ENDS IN |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 COUNTERSUNK AND 3 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.220 INCHES AND 0.280 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | HUBLESS |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 2.583 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.250 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 |
NSN 3020-01-059-6104 is a Gear,spur, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-059-6104 has 2 manufacturer part numbers on file: 912155-1 (Raytheon Company), 912155-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 912155-1: Bore Nominal Diameter: 1.250 INCHES BOTH ENDS IN; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS; Mounting Hole Type and Quantity: 3 COUNTERSUNK AND 3 PLAIN AXIALLY THROUGH BODY FIRST END. 10 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.