The Gear,spur, cataloged under National Stock Number 3020-00-730-6685, 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 19 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 | 3020-00-730-6685 |
| Primary Part Number | 10892460 |
| Item Name | Gear,spur |
| 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 | 2.562 INCHES BOTH ENDS IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 2.833 INCHES COUNTER BORE SECOND END IN |
| Counterbore Nominal Diameter | 2.833 INCHES COUNTERBORE FIRST END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS, RECESSED BODY |
| Material Document and Classification | QQ-T-00825 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 4.1666 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Nominal Outside Diameter | 4.433 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Counterbore Nominal Depth | 0.838 INCHES COUNTER BORE SECOND END IN |
| Counterbore Nominal Depth | 0.838 INCHES COUNTERBORE FIRST END IN |
| Attachment Method | PRESS FIT |
| Body Recess Nominal Depth | 0.448 INCHES BOTH ENDS IN |
| Face Nominal Width | 2.124 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 |
|---|---|
| 10892460 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-730-6685 is a Gear,spur, 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 3020-00-730-6685 has 1 manufacturer part number on file: 10892460 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 10892460: Bore Nominal Diameter: 2.562 INCHES BOTH ENDS IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 2.833 INCHES COUNTER BORE SECOND END IN. 19 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.