Matl is soft per mil-std-670-b, grade te-3
An elastic material of a cellular structure having smooth, crepe, or porous surface. It is produced in various thicknesses. Sheets are limited to widths greater than 6 inches (152.4 mm). It may or may not have a nonrubber backing.
Classification: Plates, sheets and strip of vulcanized rubber, except hard rubber, of cellular rubber
NSN 5990-01-296-4535
NSN 6645-01-202-4674
NSN 5835-01-510-1873
NSN 5996-00-304-8196
NSN 5998-01-236-0013
NSN 5930-00-137-8920
NSN 5990-00-730-4366
NSN 6150-01-422-2013
NSN 5935-01-424-1209
NSN 5975-01-517-6642
NSN 5985-01-649-3547
NSN 6105-01-430-5401