Scope This specification provides dimensional standards for crimp type contact wire barrel design and is a replacement for MS3190. Some wire barrel designs may exist in AS39029 but are not considered approved for future use@ therefore@ will not appear in this specification. The crimp barrel sizes listed in this document have been standardized in AS39029 and AS22520 specifications@ tools and contacts are available to support these listed sizes. These crimp barrel requirements shall be used for any contact@ regardless of whether it is a standard or non-standard contact configuration. The specification lists details for three types of wire barrels: A@ B@ and C. Wire barrel type A is not recommended for new design. Table 4 lists each AS39029 detail sheet wire barrel type.