GE/EMD Parts 103339 plain washer

Description

The 103339 plain washer is a fundamental and essential piece of industrial-standard hardware.Below is an overview of its core functions and primary application scenarios:

Core Functions

• Load Distribution: It increases the contact area between a bolt head or nut and the surface of the component being fastened, distributing the tightening force evenly and preventing material deformation caused by excessive localized pressure.

• Surface Protection: During the tightening of a nut or bolt, the plain washer acts as a buffer, preventing hard, threaded fasteners from scratching or abrading the surfaces of mechanical components.

• Bridging Gaps: If a mounting hole in a mechanical housing becomes oversized—due to wear, corrosion, or machining irregularities—or develops an elongated (oval) shape, a plain washer can bridge and cover the opening, ensuring the bolt does not sink into or pass through the hole.

GE/EMD Parts 100803 SCREW
GE/EMD Parts 102569 SET SCREW
GE/EMD Parts 103323 LOCK WASHER
GE/EMD Parts 103326 LOCK WASHER
GE/EMD Parts 103339 PLAIN WASHER
GE/EMD Parts 103342 PLAIN WASHER
GE/EMD Parts 103343 PLAIN WASHER
GE/EMD Parts 103346 PLAIN WASHER
GE/EMD Parts 103373 COTTER PIN
GE/EMD Parts 103399 COTTER PIN
GE/EMD Parts 103410 PIN
GE/EMD Parts 103882 PLUG/MALE
GE/EMD Parts 103909 WOODRUFF KEY
GE/EMD Parts 104924 BALL
GE/EMD Parts 105136 SCREW

Primary Application Areas

Given the versatility implied by its part number, this washer is primarily used in:
Heavy-duty vehicles and powertrain systems (such as Allison transmissions and AVTEC drive systems).

In the automatic transmissions and transfer cases of railway locomotives, these plain washers are used for:
• Valve Body and Housing Assembly: Ensuring that the control valve body sits tightly and evenly against the hydraulic circuit interface.

• Oil Pan and External Accessory Brackets: Preventing fastening bolts from loosening due to vibration, while maintaining uniform pressure across sealing surfaces to prevent transmission fluid leaks.

GE/EMD Parts 116104 COPPER WASHER
GE/EMD Parts 116436 CONNECTOR
GE/EMD Parts 116436 ADAPTOR
GE/EMD Parts 116487 CONNECTOR
GE/EMD Parts 118576 ELBOW
GE/EMD Parts 118576 ELBOW
GE/EMD Parts 118755 ELBOW
GE/EMD Parts 118807 TEE