The Gear,spur, cataloged under National Stock Number 3020-00-692-9226, 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 Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-692-9226 |
| Primary Part Number | 6766473 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 7.873 INCHES BOTH ENDS IN |
| Teeth Quantity | 54 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | PLAIN SECOND END |
| Mounting Hole Type and Quantity | 32 PLAIN TRANSVERSELY THROUGH FACE |
| Mounting Hole Nominal Diameter | 0.469 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | HUBLESS, RECESSED BODY |
| Material Document and Classification | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 13.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 13.810 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Bolt Hole Circle Nominal Diameter | 9.000 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 1.240 INCHES FIRST END IN |
| Face Nominal Width | 1.750 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 |
NSN 3020-00-692-9226 is a Gear,spur, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-692-9226 has 2 manufacturer part numbers on file: 7708825 (U S Army Tank Automotive Command Amsta-Im-Mm), 6766473 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6766473: Bore Nominal Diameter: 7.873 INCHES BOTH ENDS IN; Teeth Quantity: 54; Body Style: WEBBED, OFFSET, SOLID; Bore Style: PLAIN SECOND END. 18 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.