ASTM F991-86

    Specification for Docking/Drain Plug and Boss Assemblies

    Withdrawn Standard: ASTM F991-86 | Developed by Subcommittee: F25.01

    WITHDRAWN, NO REPLACEMENT


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    1. Scope

    1.1 This specification provides design, construction, and purchasing criteria for docking/drain plug and boss assemblies.

    1.2 Assemblies are intended for installation in shell, rudder, and tank bottom plate from 5/16 through 11/2 in.

    1.3 Assemblies shall be installed at the lowest point of a tank or rudder for draining during dry docking or cleaning of tanks.

    1.4 The values stated in inch-pound units are to be regarded as the standard.