scope:

This standard establishes and maintains a compilation of electronic component case outlines and should be useful to all levels of manufacturing that culminate in the production of reliable and logistically supportable electronic equipment.

Purpose. The purpose of this standard is to assure complete mechanical interchangeability of all electronic component case outlines of a particular style and type, regardless of source, commensurate with the requirements of high density electronic equipment manufacturing.

intended Use:

Packages conforming to the requirements of this standard are intended for use in electronic equipment.