The Gear,helical, cataloged under National Stock Number 3020-00-734-6781, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Corp Spicer Transmission Div. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-734-6781 |
| Primary Part Number | 62-8-42 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Dana Corp Spicer Transmission Div |
| Status | ACTIVE |
| Pitch Diameter | 5.5714 INCHES NOMINAL IN |
| Pressure Angle | 17.5000 DEGREES |
| Face Nominal Width | 1.281 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.891 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.171 INCHES SECOND END IN |
| Hub Style Designator | PLAIN FIRST END |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Nominal Outside Diameter | 5.934 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Teeth Quantity | 30 |
| Tooth Form | STANDARD |
| Body Style | PLAIN, SOLID |
| Hub Nominal Diameter | 4.445 INCHES FIRST END IN |
| Bore Nominal Diameter | 2.754 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Tooth Direction | LEFT |
| Counterbore Nominal Diameter | 4.0000 INCHES SECOND END IN |
| Helix Angle | 26.2053 DEGREES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 495202C1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| TH06-11 | Perfection Clutch (USA) |
| 62-8-42 PRIMARY | Dana Corp Spicer Transmission Div (USA) |
| KC2508 | Diamond Reo Truck Co (USA) |
| R406-11 | Perfection Clutch (USA) |
| 7346781 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1001Z768 | Morris Material Handling, Inc. (USA) |
| 100078R1 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 62-8-42 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| 100078R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 316676 | Daf Trucks N.v. (NLD) |
NSN 3020-00-734-6781 is a Gear,helical, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-734-6781 has 11 cross-referenced part numbers: 495202C1 (Navistar Intl Corp Truck Br Ohio Plant), TH06-11 (Perfection Clutch), 62-8-42 (Dana Corp Spicer Transmission Div), KC2508 (Diamond Reo Truck Co), R406-11 (Perfection Clutch) and 6 more.
There is 1 known substitute for 3020-00-734-6781: 6625-01-260-6198. Verify interchangeability with system specifications before substitution.
Key specifications for 62-8-42: Pitch Diameter: 5.5714 INCHES NOMINAL IN; Pressure Angle: 17.5000 DEGREES; Face Nominal Width: 1.281 INCHES IN; Nominal Distance Between Body Face and Protruding Hub End: 0.891 INCHES FIRST END IN. 21 total characteristics are documented in the Federal Logistics Information System.