Reference data, f420c manual, table 6, pg 17
No other part numbers with same form, fit, and function found.
Classification: Surveying, hydrographic, oceanographic, hydrological or meteorological instruments and appliances, excluding compasses and rangefinders, nesoi
NSN 5925-00-260-4298
NSN 5855-00-949-8143
NSN 5965-00-622-7025
NSN 5945-00-370-3587
NSN 6320-00-098-2858
NSN 7035-01-601-3772
NSN 6620-01-544-1083
NSN 7035-00-991-6877
NSN 5945-01-125-5798
NSN 6150-00-113-5249
NSN 7035-01-661-1182
NSN 6240-01-252-9374