The Gear,spur, cataloged under National Stock Number 3020-00-896-0068, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-896-0068 |
| Primary Part Number | 6758374 |
| 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 | 2.780 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.830 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.130 INCHES SECOND END IN |
| Teeth Quantity | 27 |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.650 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 6.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | CASEHARDENED |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 21 BOTH ENDS |
| Nominal Outside Diameter | 7.745 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 5140H OVERALL |
| Spline Pitch Diameter | 2.6250 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 2.015 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 |
|---|---|
| 6758374 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6758374 | 5/9 Secondary reference General Motors Corp |
| 6758374 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-896-0068 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 3020-00-896-0068 has 1 manufacturer part number on file: 6758374 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6758374: Bore Nominal Diameter: 2.780 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.830 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.130 INCHES SECOND END IN; Teeth Quantity: 27. 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.