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The DEWALT mpw4 is an M4 PWN washer designed as a small hardware component used in the assembly and repair of power tools and accessories. Washers of this type distribute load across a fastener interface, reducing wear on mating surfaces and maintaining clamping force over time. This part is sourced directly from DEWALT and is intended for use by technicians performing authorized service or field repairs on compatible DEWALT power tool equipment. Its compact M4 sizing suits precision fastener assemblies common in handheld and benchtop tool construction.
This washer is suited for service technicians and repair shops working on DEWALT power tools and accessories. It is a replacement hardware component used during disassembly and reassembly procedures where original fastener hardware must be replaced to restore factory specification. The PWN designation identifies the washer type within the DEWALT parts catalog, making it a direct service part rather than a general-use hardware substitute.
Designed as an OEM-style replacement washer for DEWALT power tools and accessories requiring M4 PWN hardware during service and repair.
Installation is typically performed by authorized service technicians or qualified repair professionals. Power down and unplug the tool completely before disassembling any fastener hardware. Use appropriately sized hand tools to avoid damaging surrounding components or mating surfaces. Follow the tool manufacturer's service documentation when replacing hardware components during reassembly.
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