Backing is film
An item specifically designed to absorb and dissipate incident radio frequency energy. It consists of a material, such as phenolic, varnished cardboard, cloth, or metal, the surface of which is coated or otherwise processed with a radio frequency absorbent element. See also dummy load, electrical.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5990-01-231-9608
NSN 6130-01-400-6123
NSN 5950-00-356-4865
NSN 5935-00-153-0927
NSN 2925-01-497-9381
NSN 5855-01-461-7726
NSN 5996-01-469-6848
NSN 5965-01-039-8557
NSN 6110-00-288-4179
NSN 6620-01-302-3549
NSN 5996-00-987-5409
NSN 6320-01-029-4220