The Gear,bevel, cataloged under National Stock Number 3020-00-003-3480, 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 17 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-003-3480 |
| Primary Part Number | 1539561 |
| 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 | 2.502 INCHES BOTH ENDS IN |
| Teeth Quantity | 45 |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Precision Classification | QUALITY NUMBER 11 |
| Teeth Type | SPIRAL |
| Nominal Overall Length | 0.600 INCHES IN |
| Style Designator | SIDE FACE, HUBLESS |
| Material Document and Classification | MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.6250 INCHES NOMINAL IN |
| Mounting Hole Nominal Thread Size | 0.250 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Nominal Outside Diameter | 5.667 INCHES IN |
| Material | STEEL COMP 4620 OVERALL |
| Mounting Hole Thread Series Designator | UNF AXIALLY THROUGH BODY SECOND END |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.2000 INCHES SECOND END IN |
| Face Nominal Width | 0.880 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 |
|---|---|
| 1539561 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 3020-00-003-3480 is a Gear,bevel, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-003-3480 has 1 manufacturer part number on file: 1539561 (Raytheon Company Div Rmd Strategic).
1 possible match (shared part number, not a government interchangeability claim): 6110-00-135-0182. Verify interchangeability with system specifications before substitution.
Key specifications for 1539561: Bore Nominal Diameter: 2.502 INCHES BOTH ENDS IN; Teeth Quantity: 45; Tooth Direction: RIGHT; Bore Style: PLAIN BOTH ENDS. 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.