FSC 5210 is the U.S. Federal Supply Class for Measuring Tools, Craftsmen's, in Federal Supply Group 52 (Measuring Tools). Aviation Parts Executive lists 5 parts whose part numbers carry a National Stock Number (NSN) in this class. Search any NSN or NIIN on our site to open the part.

This class does not include special inspection gages, which are classified in class 5220.

Includes calipers; levels; micrometers; plumb bobs; precision tapes; squares; angle gages; center gages; depth gages; draw gages; drill point gages; fillet and radius gages; glaziers' gages; height gages (vernier); planer gages; rivet selector gages; saw tooth set gages; screw pitch gages; surface gages; telescoping gages; thickness gages; tube bead gages; tube flare gages; twist drill gages; twist drill and rod gages; twist drill and tap gages; taper-wire-thickness gages; wire gages; tool setting planer and shaper gages; gage blocks.

Our Parts In FSC 5210 (5)

Part Number	NSN	Item Name	Manufacturer
25-8Y121-1A	5210-01-608-2697	Protractor, Mechanics, Plain	Cessna
25WS3197-5	5210-01-656-4921	Extension, Caliper, Micrometer, Inside	Cessna
6580016-2	5210-01-738-0069	Gage, Gap Setting	Cessna
CST-3012	5210-01-714-8204	Gage Block	Hartzell
ST-212	5210-00-089-3972	Gage Block	Lycoming

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NSNs, item names and Federal Supply Class descriptions come from the Defense Logistics Agency's public Federal Logistics Information System data (PUB LOG, October 27, 2026 release). We show an NSN only when the government record lists our part number under the same manufacturer (CAGE code). Confirm the NSN and part number on your solicitation before you order.