The Gear,bevel, cataloged under National Stock Number 3020-00-607-2446, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 23 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 | 3020-00-607-2446 |
| Primary Part Number | 8416819 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.125 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.687 INCHES FIRST END IN |
| Teeth Quantity | 62 |
| Body Style | WEBBED, SOLID |
| Pitch Angle | 78.1667 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 6 THREADED TRANSVERSELY THROUGH SIDE |
| Precision Classification | QUALITY NUMBER 12 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | 66,AISI/SAE 1330H,8630H,4130H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 7.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Mounting Hole Nominal Thread Size | 0.312 INCHES TRANSVERSELY THROUGH SIDE IN |
| Nominal Outside Diameter | 7.776 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 18 TRANSVERSELY THROUGH SIDE |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 1330H AND STEEL COMP 8630H AND STEEL COMP 4130H OVERALL |
| Bolt Hole Circle Nominal Diameter | 4.000 INCHES TRANSVERSELY THROUGH SIDE IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH SIDE |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.000 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 |
|---|---|
| 8416819 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-607-2446 is a Gear,bevel, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-607-2446 has 1 manufacturer part number on file: 8416819 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8416819: Bore Nominal Diameter: 3.125 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.687 INCHES FIRST END IN; Teeth Quantity: 62; Body Style: WEBBED, SOLID. 23 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.