National Stock Number (NSN) 5210-01-370-4766, or NIIN 013704766, (protractor,mechanics,plain) was assigned January 23, 1993 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 13 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE8E525P0568, SPE8E524V2755, SPE8E524V1658, SPE8E524V0227, SPE8E523V2355. The total value of the awarded contracts has been US$ 176,677.52.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 105,677. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 11, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 5210013704766 contains an unknown precious metal.
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.