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 5960-01-421-0887
NSN 6130-01-381-1046
NSN 6240-00-275-1950
NSN 5920-01-302-0423
NSN 5960-01-021-0659
NSN 5960-00-121-9926
NSN 5895-00-731-4935
NSN 5925-00-079-7401
NSN 5965-01-183-7722
NSN 5945-00-290-1779
NSN 6610-00-730-5883
NSN 2925-00-862-8550
Last Updated: 02/10/2025