National Stock Number
1290-00-335-3586
National Stock Number (NSN) 1290-00-335-3586, or NIIN 003353586, (protractor set,sound ranging) 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 are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18550. [A GROUP OF TWO OR MORE INSTRUMENTS ESSENTIALLY FAN OR WEDGE SHAPED, GRADUATED IN MILS AND DEGREES AND A TIME INTERVAL SCALE ON ONE OR MORE OF THEIR RADII. IT IS USED FOR PLOTTING ON A DRAWING SURFACE THE ANGLES REPRESENTING THE DIFFERENCE IN TIME OF ARRIVAL OF A SOUND WAVE AT TWO LOCATED MICROPHONES.]. 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 1290003353586 contains an unknown precious metal.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on Jul 01, 2025.