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 5855-01-634-0259
NSN 6645-00-467-6094
NSN 6650-01-658-7194
NSN 7035-01-294-1165
NSN 5905-01-394-9459
NSN 5998-01-177-5411
NSN 6645-01-084-5627
NSN 6645-01-305-3118
NSN 5985-01-324-8690
NSN 5920-00-366-0111
NSN 6650-00-028-2218
NSN 5990-01-478-8638