The Gear,bevel, cataloged under National Stock Number 3020-01-046-7905, 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 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 | 3020-01-046-7905 |
| Primary Part Number | 8432917 |
| 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 | 0.750 INCHES SECOND END IN |
| Bore Nominal Diameter | 0.487 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.984 INCHES FIRST END IN |
| Backlash Designation | GRADE A |
| Teeth Quantity | 25 |
| Surface Treatment Document and Classification | MIL-STD-171 FN 3.3.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | INVOLUTE SPLINE FIRST END |
| Bore Style | PARTIAL SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.880 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.191 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM OR 38.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.680 INCHES IN |
| Style Designator | SIDE FACE, PROTRUDING HUBS |
| Bore Nominal Depth | 0.280 INCHES SECOND END IN |
| Material Document and Classification | ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 9 FIRST END |
| Nominal Outside Diameter | 2.641 INCHES IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.5625 INCHES NOMINAL FIRST END IN |
| Attachment Method | PRESS FIT |
| Face Nominal Width | 0.500 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 |
|---|---|
| 8432917 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-01-046-7905 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 3020-01-046-7905 has 1 manufacturer part number on file: 8432917 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8432917: Bore Nominal Diameter: 0.750 INCHES SECOND END IN; Bore Nominal Diameter: 0.487 INCHES FIRST END IN; Hub Nominal Diameter: 0.984 INCHES FIRST END IN; Backlash Designation: GRADE A. 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.