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Civacon · Hardware & Fasteners
871A-AL4030
In stock · ships from Knoxville
This is a Civacon (Knappco) 3-inch aluminum API drop adapter, designed as a gravity coupler for unloading liquid tank trailers such as crude oil or gas.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Other applications
Mates only with 3-inch male Kamlock hose connections. Standard Buna-N seals are compatible with petroleum products; Viton seals available for other chemical services. Not a universal adapter for all trailer types.
Part data verified against 5 catalog sources
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It connects the trailer's standard 4-inch API RP-1004 adaptor to a 3-inch male camlock (Kam & Groove) hose, with a 15° downward-angled outlet that promotes complete drainage. The adapter features durable aluminum construction with Buna-N seals and KAMLOK™ Twin-Kam arms for a secure, hands-free connection. Replace this part when the original adapter is damaged, leaking, or no longer locks properly, to maintain safe and efficient unloading.
Part Number: 871A-AL4030
3' ALUM DROP ADAPTOR
Unit: ea
Dealer: Post Onsite
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