F-F-310B (NOTICE-1), FEDERAL SPECIFICATION: FILTER, AIR CONDITIONING: VISCOUS-IMPINGEMENT AND DRY MEDIA, REPLACEABLE (21-NOV-1991) [S/S BY A-A-1419]
F-F-310B (NOTICE-1), FEDERAL SPECIFICATION: FILTER, AIR CONDITIONING: VISCOUS-IMPINGEMENT AND DRY MEDIA, REPLACEABLE (21-NOV-1991) [S/S BY A-A-1419].