A single component specifically designed to make a record of sonic variations.
NSN 5905-00-681-9624
NSN 6620-01-415-5803
NSN 4140-01-375-4676
NSN 5835-01-095-4400
NSN 6645-00-315-9254
NSN 6610-01-200-6861
NSN 2925-01-464-3093
NSN 2925-00-596-9775
NSN 5935-00-836-6939
NSN 5990-01-514-8708
NSN 5975-01-528-7886
NSN 6685-01-193-4125