MIL-S-7998A (NOTICE 1), MILITARY SPECIFICATION: SANDWICH CONSTRUCTION CORE MATERIAL, BALSA WOOD (07 AUG 1996) [NO S/S DOCUMENT]

MIL-S-7998A (NOTICE 1), MILITARY SPECIFICATION: SANDWICH CONSTRUCTION CORE MATERIAL, BALSA WOOD (07 AUG 1996) [NO S/S DOCUMENT]., MIL-S-7998A is inactive for new design and is no longer used except for replacement purposes.