Frequency 10 herz to 2 megaherz; vailable only on 9530 active heads
NSN 5975-01-643-8091
NSN 5975-01-461-4048
NSN 5975-00-288-5877
NSN 6145-00-504-5221
NSN 6320-01-326-1316
NSN 5999-00-618-1040
NSN 5998-01-109-0533
NSN 6130-00-959-5800
NSN 6240-01-067-1494
NSN 6110-01-576-8935
NSN 5998-00-875-5484
NSN 6320-01-582-6752