MIL-D-BI641 VALID NOTICE I bb 9999906 0494L5b b I MIL-D-81641 (AS) NOTICE 1 17 October 1991 MILITARY SPECIFICATION DISPLAY, HEAD-UP, GENERAL SPECIFICATION FOR MIL-D-81641(AS), dated 26 June 1972, has been reviewed and determined to be valid for use in acquisition. Preparing activity: Navy - AS AMSC NIA FSC 6610 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-