The Gear,bevel, cataloged under National Stock Number 3020-00-490-0867, 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 Rmd Strategic. Government technical data includes 29 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 | 3020-00-490-0867 |
| Primary Part Number | 1539575 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.938 INCHES SECOND END IN |
| Bore Nominal Diameter | 0.985 INCHES FIRST END IN |
| Teeth Quantity | 23 |
| Second Step Nominal Diameter | 1.250 INCHES SECOND END IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Third Step Nominal Diameter | 1.513 INCHES SECOND END IN |
| Tooth Direction | RIGHT |
| Bore Style | PARTIAL BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 3.621 INCHES SECOND END IN |
| First Step Nominal Length | 0.938 INCHES SECOND END IN |
| Teeth Type | SPIRAL |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM TEETH |
| Nominal Overall Length | 3.750 INCHES IN |
| Second Step Nominal Length | 0.628 INCHES SECOND END IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 0.688 INCHES SECOND END IN |
| Bore Nominal Depth | 1.945 INCHES FIRST END IN |
| Material Document and Classification | MIL-S-7493,COND B1 OR C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.9166 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.173 INCHES SECOND END IN |
| Hub Style Designator | 3 STEPS SECOND END |
| End Nominal Length | 0.300 INCHES SECOND END IN |
| Nominal Outside Diameter | 2.016 INCHES IN |
| End Nominal Diameter | 1.095 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4620 OVERALL |
| Third Step Nominal Length | 0.720 INCHES SECOND END IN |
| Face Nominal Width | 0.400 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 |
|---|---|
| 1539575 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 3020-00-490-0867 is a Gear,bevel, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-490-0867 has 1 manufacturer part number on file: 1539575 (Raytheon Company Div Rmd Strategic).
Key specifications for 1539575: Bore Nominal Diameter: 0.938 INCHES SECOND END IN; Bore Nominal Diameter: 0.985 INCHES FIRST END IN; Teeth Quantity: 23; Second Step Nominal Diameter: 1.250 INCHES SECOND END IN. 29 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.