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 5996-01-633-7979
NSN 6685-01-561-9477
NSN 5915-01-528-8298
NSN 5915-00-299-0192
NSN 5935-01-088-8256
NSN 5950-01-245-9132
NSN 6135-01-303-0295
NSN 6610-00-544-0419
NSN 5920-01-039-7562
NSN 4140-00-351-7085
NSN 5910-01-413-3130
NSN 6685-01-502-7648