150 mm thick
No other part numbers with same form, fit, and function found.
A rectangular or square precision tool having a flat working surface(s) of specific flatness. It is used as a datum plane in connection with various layout, inspection, and calibration operations. It may also be used as a lapping plate, but is not grooved. See also block, lapping; plate, duplex, surface and lapping; and plate, lapping.
NSN 6145-00-434-4736
NSN 5950-01-571-8560
NSN 6645-00-399-4551
NSN 5965-01-633-8849
NSN 6685-00-833-5681
NSN 6135-01-244-5580
NSN 5920-01-448-6914
NSN 2925-01-603-6379
NSN 5985-01-250-3474
NSN 6620-00-490-3978
NSN 5960-00-467-7400
NSN 5895-00-935-8183