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The DEWALT 174312 is a replacement O-ring used to maintain pressure seals within compatible DEWALT power tools and equipment. O-rings of this type create a static or dynamic seal at component interfaces, preventing air, fluid, or lubricant loss during operation. This part measures 0.700 inches in inner diameter with a cross-section of 0.072 inches. It is a direct OEM-specification replacement intended for service technicians and repair shops performing maintenance or overhaul work on DEWALT equipment.
This O-ring is suited for use in repair scenarios where the original seal has worn, cracked, or lost elasticity. Typical applications include pneumatic tool assemblies, compressor fittings, and similar pressurized component interfaces found in DEWALT power tool product lines. Service technicians performing routine maintenance or field repairs will encounter this part as a consumable replacement during equipment servicing.
Designed as an OEM-style replacement O-ring for compatible DEWALT power tools and accessories requiring a 0.700 x 0.072-inch seal.
Installation should be performed by a qualified service technician. Before replacing the O-ring, fully depressurize and power down the tool or equipment and disconnect any air supply lines. Avoid using sharp tools during installation that could nick or cut the new O-ring, as surface damage will compromise the seal. Consult the applicable equipment service manual for proper seating and reassembly procedures.
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