- flS40340 VALID NOTICE I Ib = 9999912 00I31b5 b NOTICE OF VALIDATION MILITARY STANDARD MS90340 NOTICE 1 30 October 3991 INSERT, INSTALLATION AND DETAIL, FULL FACE OXYGEN AND SMOKE MASKS MS90340, dated 15 March 1965, has been reviewed and determined to be valid for use in acqu is t ion. Custodians Army - AV Navy - AS Air Force - 99 Preparing activity: Navy - AS a AMSC N/A FSC 1660 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-