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Shop/Category/Fig. 24 — OIL TANKS/Joint washer
Joint washer
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Also known asF4478
DiagramFig. 24 — OIL TANKS · ref 3
Subsystemengine bottom
Listed in parts books1960–1962

Joint washer

A joint washer for oil tank fittings, catalog number 82-4478 (also listed as F4478).

PN · 82-4478

This is a joint washer, part number 82-4478, also known under its earlier catalog form F4478. The catalog places it in the oil tank figures, so it's used as a sealing washer somewhere in the oil tank plumbing or fittings.

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Our records don't give a material, thickness, or exact fitment beyond the oil tank grouping, and they don't tie it to a named model. If you're matching this up to a specific tank or union, give us a call and we'll work through it with you before you order.

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