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 8 through 38 mm.
1.3 Assemblies shall be installed at the lowest point of a tank or rudder for draining during dry docking.
1.4 The values stated in SI units are to be regarded as the standard.
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
B164 Specification for Nickel-Copper Alloy Rod, Bar, and Wire
Other Documents
ANSIB2.1 Standard Pipe Threads Except Dryseal
Index Terms
Boss assemblies; Docking assemblies; Drain plug assemblies; Rudder; Shell; Steel pipe-shipbuilding piping materials; Tank bottom plate; docking/drain plug/boss assemblies, spec;
DOI: 10.1520/F0991M-95
ASTM International is a member of CrossRef.
Citing ASTM Standards
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