MS29521F (NOTICE-1), MILITARY STANDARD: DISK, VALVE (15-OCT-1998)

MS29521F (NOTICE-1), MILITARY STANDARD: DISK, VALVE (15-OCT-1998)., This notice should be filed in front of MS29521F, dated 17 May 1984. MS29521F is inactive for new design and is no longer to be used except for replacement purposes. The Qualified Products List (QPL) associated with this inactive for new design standard will be maintained until acquisition of the product is no longer required, whereupon the standard and QPL will be cancelled.