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The PLUMB SHOP DIV BRASSCRAFT 784-465 is a beveled rubber slip joint washer designed to create a leak-free seal at slip joint drain connections. Sold in a 2-pack, this washer fits 1-1/2 inch outer diameter tubing commonly found in sink drain assemblies and p-trap configurations. The beveled profile seats firmly against the slip joint nut, compressing to form a watertight seal without the need for thread sealants or additional gaskets. Plumbers and drain service technicians rely on this type of washer during routine trap replacements, drain repairs, and fixture upgrades under residential and light commercial sinks.
This washer is used in 1-1/2 inch slip joint drain systems, including kitchen sink drains, lavatory drains, and p-trap assemblies. It is a standard consumable part stocked by plumbing technicians for quick drain repairs and is appropriate for both new installations and maintenance work on existing drain lines. The carded 2-pack format is suited for service truck inventory or point-of-sale stocking.
Designed as an OEM-style replacement washer for 1-1/2 inch OD slip joint drain fittings in residential and light commercial plumbing drain assemblies.
A licensed plumber or experienced tradesperson should shut off water supply and clear standing water from the drain before servicing slip joint connections. No special tools are required beyond channel-lock pliers for slip joint nuts — hand-tight plus a quarter turn is typically sufficient to seat the washer without cracking plastic fittings. Refer to local plumbing codes and IPC guidelines for drain assembly requirements.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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