An item designed for use with a transducer to permit proper focal zone alignment in near field, small parts scanning.
NSN 5990-01-408-6142
NSN 6130-01-363-1965
NSN 5910-01-628-7499
NSN 5960-01-449-1310
NSN 5925-01-609-7486
NSN 5965-00-296-9994
NSN 5998-00-803-1706
NSN 6220-01-429-8534
NSN 5935-00-919-5835
NSN 6150-00-556-5543
NSN 6150-01-391-5421
NSN 4140-01-151-5206