"This specification covers crimp style aluminum lug terminals and conductor splices for aluminum aircraft wire. Lug terminals and conductor splices are hereafter called ""terminals"". Classification Terminals shall be of the types specified on applicable standards specified in 2.1 and shall be of the following classes as applicable (see 6.2): Class 1 - Terminals which conform to this specification when installed with a crimping tool and dies as specified in Standards AS5259/1 (see 6.1.1 and 6.1.4). Class 2 - Terminals which are replaceable by class 1 terminals and which@ when installed with a tool recommended by the terminal manufacturer@ conform to the performance requirements of this specification (see 6.1.2 and 6.1.3). (Class 2 terminals and tools are not approved for use on items intended for use by the Air Force or for procurement by or for the Air Force.)"