National Stock Number
5210-00-398-3655
National Stock Number (NSN) 5210-00-398-3655, or NIIN 003983655, (protractor,mechanics,plain) was assigned January 1, 1963 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) 09797. [A FLAT, STEEL PLATE OF RECTANGULAR, SQUARE OR SEMICIRCULAR SHAPE, GRADUATED IN DEGREES. A PIVOTED ARM IS ATTACHED TO THE PLATE BY MEANS OF A STATIONARY BOLT AND THUMB NUT WHICH LOCKS THE ARM IN ANY DESIRED POSITION. USED PRIMARILY IN THE METAL WORKING TRADES FOR LAYING OUT AND TRANSFERRING ANGLES, SCRIBING LINES, AND CHECKING CLEARANCES ON END MILLS AND THE LIKE. EXCLUDES:PROTRACTOR, ONE ARM; PROTRACTOR, TWO ARM; PROTRACTOR, THREE ARM.]. 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 5210003983655 does not contain precious metals.
This NSN is associated to Schedule B 9017204000: dis calculators, slide rulers and other mathematical calculating instruments. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.