The Gear,bevel, cataloged under National Stock Number 3020-01-041-0646, 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 24 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 | 3020-01-041-0646 |
| Primary Part Number | 12007748 |
| 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 |
| Keyway Nominal Width | 0.310 INCHES AND 0.251 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.003 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.003 INCHES SECOND END IN |
| Hub Nominal Diameter | 1.968 INCHES FIRST END IN |
| Teeth Quantity | 25 |
| Surface Treatment Document and Classification | MIL-P-16232,TYM,CL3 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-P-16232,TYZ,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 39.8000 DEGREES |
| Bore Style | PLAIN SECOND END |
| Bore Style | W/ 3 KEYWAYS FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 2.000 INCHES FIRST END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 2.850 INCHES IN |
| Style Designator | SIDE FACE, BACK HUB PROTRUDING |
| Material Document and Classification | ASTM A400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.666 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.620 INCHES FIRST END IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.304 INCHES SECOND END IN |
| Face Nominal Width | 0.440 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12007748 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-01-041-0646 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 3020-01-041-0646 has 1 manufacturer part number on file: 12007748 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 12007748: Keyway Nominal Width: 0.310 INCHES AND 0.251 INCHES FIRST END IN; Bore Nominal Diameter: 1.003 INCHES FIRST END IN; Bore Nominal Diameter: 1.003 INCHES SECOND END IN; Hub Nominal Diameter: 1.968 INCHES FIRST END IN. 24 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.
NSN 3020-01-041-0646 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.