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 5999-00-034-1080
NSN 5925-01-070-1120
NSN 5855-01-574-7092
NSN 5945-01-454-0005
NSN 6105-00-017-3448
NSN 5905-00-259-5229
NSN 5945-01-195-4718
NSN 6110-01-652-3355
NSN 5965-01-130-5952
NSN 5895-00-421-3648
NSN 6645-01-310-2949
NSN 2925-00-696-6278