Optical glass type 517-642, gr a; 1.000 in. Dia; 0.669 in depth
No other part numbers with same form, fit, and function found.
NSN 5905-01-059-1899
NSN 6150-00-118-1580
NSN 6105-00-431-6256
NSN 6320-01-422-1212
NSN 6685-01-467-8789
NSN 5975-01-177-3725
NSN 6110-00-539-9543
NSN 6610-01-416-2738
NSN 6105-01-303-4949
NSN 4140-01-481-4237
NSN 5990-01-060-3687
NSN 5999-01-117-6466
Last Updated: 04/29/2024