Specification for dimensions of 31/2 - 41/2 in diameter fifth wheel king pin for use with extra heavy duty semi-trailers.
STANDARD published on 28.8.1970
Designation standards: BS AU 2A:1970
Publication date standards: 28.8.1970
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 0 580 06023 3 Status: Confirmed