1S-1770 3/8″-24 12-Point Nut
Cat® 12-Point Flange Turbocharger Locknut
Description
The 12-point flange turbocharger locknut is a special type of fastener used to secure the shaft and its turbocharger components. It is typically made of strong, durable materials that are precisely machined and tightened to a specific torque to fit the corresponding components.
Attributes
Provides a larger bearing surface, which helps distribute force evenly between components.
Designed to precise specifications to fit in tight spaces.
Applications
The 12-point flange turbocharger locknut helps hold the shaft and turbocharger components firmly together and is widely used in Cat® Motor Graders, Engines (Reciprocating), Excavators, Generator Sets, Generators (Electric Power), Power Systems, Skidders, Pipelayers, Wheel Tractor-Scrapers, Scrapers, Track-Type Tractors, Trucks, Bottom Dump Bodies, Power Trains, Track Loaders, Dozers, Engine Common Platforms, Paving Equipment, Underground Mining, Articulated Trucks, Pump Trucks, and Cement Trucks.
Specifications
| Width | 71.1 mm |
|---|---|
| Length | 96.5 mm (3.8 in) |
| Height | 12.7 mm (0.5 in) |
| Thread Size | 0.375 mm (0.015 in) |
| Thread Direction | RH |
| Material | Alloy Zinc |
| Thread Size (Diameter × Pitch) | 3/8×24 mm |
| Coating | Zinc |
| Drive Chain | 12.59 mm (0.496 in) |
| Thickness | 10.54 mm (0.41 in) |
| Flange Diameter | 17.33 mm (0.68 in) |
| Nut Model | 12-Point |
| Thread Size (in – TPI) | 3/8-24 in |
| Thread | 3/8-24 |
| Weight | 0.01 kg (0.02 lb) |
Compatible Equipment
- Generator Sets: 3406B, 3406C, G3516
- Motor Graders: 16
- Track Loaders: 992, 824C
- Dozers: D11R, D11N, D10, D10N, D9R, D9N, D8L, D9L
- Excavators: 3516B, 637E, 3508B
- Wheel Loaders: 992C, 992D, 834, 836
- Off-Highway Trucks: 789, 771D, 777
- Asphalt Pavers: AD45
Additional information
| Machine Model | 16, 3406B, 3406C, 3508B, 3516B, 637E, 771D, 777, 789, 824C, 834, 836, 992, 992C, 992D, AD45, D10, D10N, D11N, D11R, D8L, D9L, D9N, D9R, G3516 |
|---|---|
| Equipment Type | Excavators, Wheel Loaders, Track Loaders, Dozers, Motor Graders, Off-Highway Trucks, Asphalt Pavers, Generator Sets |
| Part Source | Genuine OEM |








