The Gear,helical, cataloged under National Stock Number 3020-00-162-7329, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-162-7329 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 3.413 INCHES BOTH ENDS IN |
| Helix Angle | 16.2666 DEGREES |
| Teeth Quantity | 45 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | LEFT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Precision Classification | QUALITY NUMBER 11 |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | FLUSH HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 9.3750 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Spline Quantity | 26 BOTH ENDS |
| Nominal Outside Diameter | 9.770 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Spline Pitch Diameter | 3.2500 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 |
| Reference | Meaning |
|---|---|
| 62799D | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 62799D | 3/9 Design control — primary reference Oshkosh Corp |
| EE35176 | 5/9 Secondary reference Oshkosh Corp |
NSN 3020-00-162-7329 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-162-7329: Bore Nominal Diameter: 3.413 INCHES BOTH ENDS IN; Helix Angle: 16.2666 DEGREES; Teeth Quantity: 45; Body Style: WEBBED, SOLID. 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.