The Gear,bevel, cataloged under National Stock Number 3020-00-797-9019, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-797-9019 |
| Primary Part Number | 7979019 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.003 INCHES SECOND END IN |
| Teeth Quantity | 17 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 32.0199 DEGREES |
| Bore Style | PLAIN SECOND END |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.875 INCHES SECOND END IN |
| Mounting Hole Nominal Diameter | 0.375 INCHES TRANSVERSELY THROUGH HUB SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.685 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | QQ-5-631 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.1250 INCHES NOMINAL IN |
| Hub Style Designator | PINNED SECOND END |
| Nominal Outside Diameter | 2.396 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 1035 OVERALL |
| Attachment Method | MOUNTING HOLE |
| Body Recess Nominal Depth | 0.1850 INCHES FIRST END IN |
| Face Nominal Width | 0.625 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 |
|---|---|
| 7979019 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 278526 | 3/9 Design control — primary reference Fruehauf Corp |
NSN 3020-00-797-9019 is a Gear,bevel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-797-9019 has 1 manufacturer part number on file: 7979019 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-919-0133. Verify interchangeability with system specifications before substitution.
Key specifications for 7979019: Bore Nominal Diameter: 1.003 INCHES SECOND END IN; Teeth Quantity: 17; Body Style: PLAIN, SOLID; Pitch Angle: 32.0199 DEGREES. 21 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.