National Stock Number
5210-01-668-8540
National Stock Number (NSN) 5210-01-668-8540, or NIIN 016688540, (square,carpenter's) was assigned December 11, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 13768. [A MEASURING TOOL CONSISTING OF A METAL BODY (LONG LEG) AND A TONGUE (SHORT LEG) FORMING A 90 DEGREE (1.6 RADIANS) ANGLE. BOTH THE BODY AND THE TONGUE MAY BE OF THE SAME THICKNESS OR MAY BE TAPERED FROM THE APEX TO THE END OF EACH LEG. THE ITEM IS GRADUATED EITHER ON BOTH EDGES OR THE OUTSIDE EDGES ONLY. MAY BE INSCRIBED WITH ONE OR MORE REFERENCE TABLES. THE ITEM MAY BE GRADUATED FOR AT LEAST A PORTION OF THE BLADE IN INCREMENTS SMALLER THAN 1/32 INCH (0.8 MM).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5210016688540 does not contain precious metals.
This NSN is associated to Schedule B 9017208060: drawing, marking-out or mathematical calculating instruments, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.