This specification has been declared NONCURRENT by the Aerospace Materials Division, SAE, as of June, 2006. It is recommended, therefore, that this specification not be specified for new designs. NONCURRENT refers to those specifications which have previously been widely used and which may be required for production or processing of existing designs in the future. The Aerospace Materials Division, however, does not recommend these specifications for future use in new designs.This specification covers the requirements for one type of tiedown fitting for insulation in the floors of aircraft.