A cushion of felt, rubber, or similar material used under a typewriter in order to absorb sound and vibration.
NSN 6220-01-117-1793
NSN 6130-01-191-7766
NSN 5945-00-150-3034
NSN 5960-01-628-2760
NSN 6645-01-237-2568
NSN 5895-01-406-2473
NSN 5998-01-393-9763
NSN 6220-00-494-0960
NSN 5965-00-144-2543
NSN 4140-01-567-8527
NSN 6650-01-324-0351
NSN 7035-01-260-9543