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 5965-00-068-4812
NSN 6620-00-079-0311
NSN 5996-01-202-8127
NSN 6110-01-286-5045
NSN 5950-01-397-2760
NSN 5985-01-210-9219
NSN 5905-01-250-7944
NSN 6610-00-172-7658
NSN 6220-01-376-3676
NSN 5920-00-081-0230
NSN 6685-01-398-9807
NSN 6150-01-634-0575