Pwb 1, switch 4, microcircuit 20; an/arc-89
No other part numbers with same form, fit, and function found.
NSN 5960-00-509-4549
NSN 6610-01-633-8931
NSN 5930-00-430-9767
NSN 5855-01-634-0259
NSN 7035-00-703-3535
NSN 6110-01-038-9455
NSN 6610-01-032-5335
NSN 5905-01-634-0595
NSN 6145-01-537-9706
NSN 5996-01-603-5883
NSN 2925-01-485-8304
NSN 5905-00-218-1237
Last Updated: 08/12/2025