National Stock Number:
5220-12-384-4841
Federal Supply Class:
5220
National Item Identification Number:
123844841
Description:
TOOLMAKER'S FLAT
Detail:
A FLAT, HARDENED PIECE OF STEEL, HAVING MICROFINISHED PARALLEL SURFACES CAPABLE OF ADHERING TO EACH OTHER WHEN TWO OR MORE FLATS ARE FIRMLY PRESSED (WRUNG) TOGETHER. IT IS USED FOR INSPECTION AND LAYOUT OPERATIONS REQUIRING EXTREME ACCURACY. SEE ALSO OPTICAL FLAT.
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