A single component specifically designed to make a record of sonic variations.
NSN 6685-00-952-5381
NSN 2925-01-254-3068
NSN 6145-01-023-1526
NSN 5950-01-221-9835
NSN 5855-01-085-5354
NSN 5925-01-178-8962
NSN 5835-00-187-1481
NSN 6145-00-099-8986
NSN 6135-01-222-0703
NSN 5975-01-494-2374
NSN 5905-01-310-9606
NSN 5998-01-421-7416