The Gear,bevel, cataloged under National Stock Number 3020-00-607-2480, 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 25 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 | 3020-00-607-2480 |
| Primary Part Number | 8417163 |
| 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 | 1.413 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.875 INCHES SECOND END IN |
| Backlash Designation | GRADE C |
| Teeth Quantity | 38 |
| Surface Treatment Document and Classification | MIL-C-16232,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.542 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 6 OR QUALITY NUMBER 7 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.514 INCHES IN |
| Style Designator | SIDE FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 1.313 INCHES BOTH ENDS IN |
| Material Document and Classification | MIL-S-11415 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Spline Quantity | 21 BOTH ENDS |
| Nominal Outside Diameter | 4.924 INCHES IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Pressure Angle | 20.0000 DEGREES AND 45.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 1.3125 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.2015 INCHES FIRST END IN |
| 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 |
|---|---|
| 8417163 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-607-2480 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 3020-00-607-2480 has 1 manufacturer part number on file: 8417163 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8417163: Bore Nominal Diameter: 1.413 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.875 INCHES SECOND END IN; Backlash Designation: GRADE C; Teeth Quantity: 38. 25 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.