The Gear,helical, cataloged under National Stock Number 3020-00-752-0767, 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 23 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 | 3020-00-752-0767 |
| Primary Part Number | 7520767 |
| Item Name | Gear,helical |
| 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 | 5.559 INCHES BOTH ENDS IN |
| Helix Angle | 17.1333 DEGREES |
| Hub Nominal Diameter | 5.062 INCHES FIRST END IN |
| Hub Nominal Diameter | 5.056 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.313 INCHES SECOND END IN |
| Teeth Quantity | 61 |
| Body Style | WEBBED, OFFSET, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM HUB |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | ONE FLUSH HUB, ONE RECESSED HUB |
| Material Document and Classification | 66 FS 4812 OR FS 4815 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.6395 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 27 BOTH ENDS |
| Nominal Outside Diameter | 10.882 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 5.4000 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 2.500 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 |
|---|---|
| 7520767 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-752-0767 is a Gear,helical, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-752-0767 has 1 manufacturer part number on file: 7520767 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7520767: Bore Nominal Diameter: 5.559 INCHES BOTH ENDS IN; Helix Angle: 17.1333 DEGREES; Hub Nominal Diameter: 5.062 INCHES FIRST END IN; Hub Nominal Diameter: 5.056 INCHES SECOND END IN. 23 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.