8 December 2015 SUPERSEDING NOTICE 1 15 October 1991 MILITARY SPECIFICATION TELETYPEWRITER, TT-264/AG MIL-T-22143A(AS), is inactive for new design and is no longer used, except for replacement purposes. Custodian: Preparing activity: Navy – AS Navy – AS Project 5815-2016-003 NOTE: The activity listed above was interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above by using the ASSI