Company item name--base, autocollimator
No other part numbers with same form, fit, and function found.
NSN 5835-01-198-2221
NSN 5835-01-424-0054
NSN 6105-01-330-9482
NSN 6645-01-130-5581
NSN 5996-01-056-4952
NSN 5999-01-320-2287
NSN 6610-01-461-1644
NSN 5905-01-456-9294
NSN 2925-00-925-0545
NSN 5960-01-251-8615
NSN 6685-01-367-2150
NSN 5905-01-156-8677