An item used in ultrasonic therapy which requires no tuning and has a stabilized frequency.
NSN 6240-01-135-8271
NSN 5930-01-020-5686
NSN 6645-01-143-0137
NSN 5895-00-188-6798
NSN 5935-00-306-3416
NSN 5835-01-073-2455
NSN 5998-01-204-0951
NSN 5975-00-561-8238
NSN 6110-01-379-0606
NSN 5925-01-077-3137
NSN 5945-00-135-0793
NSN 5985-00-402-8216