The Gear,spur, cataloged under National Stock Number 3020-00-877-3628, 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 15 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 | 3020-00-877-3628 |
| Primary Part Number | 6791820 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.625 INCHES BOTH ENDS IN |
| Teeth Quantity | 40 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | SERRATED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.063 INCHES BOTH ENDS IN |
| Serration Pitch Diameter | 0.3838 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 2.625 INCHES IN |
| Serration Quantity | 11 BOTH ENDS |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.156 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 |
|---|---|
| 6791820 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 3020-00-877-3628 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 3020-00-877-3628 has 1 manufacturer part number on file: 6791820 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6791820: Hub Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Teeth Quantity: 40; Body Style: WEBBED, OFFSET, SOLID; Bore Style: SERRATED BOTH ENDS. 15 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.