National Stock Number
5985-99-390-9855
National Stock Number (NSN) 5985-99-390-9855, or NIIN 993909855, (mast) has an unknown assigned date. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M521P7494, SPE7M521P5660, SPE7M520P9096, SPE7M520P1764, SPE7M518PF769. The total value of the awarded contracts has been US$ 17,817.84.
This NSN is somewhat common among different platforms, belonging to 3 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.
This NSN is assigned to Item Name Code (INC) 00188. [AN ITEM ESSENTIALLY OF COLUMNAR SHAPE, HAVING A SINGLE FOOTING OR MOUNTING BASE, USED TO SUPPORT ANOTHER ITEM. IT MAY INCLUDE ACCESSORIES SUCH AS GUYS, INSULATORS, AND COLLARS. SEE ALSO TOWER. FOR SIMILAR ITEMS OF THIS TYPE USED TO CARRY POWER AND/OR COMMUNICATION LINES, SEE POLE, LINE CONSTRUCTION (AS MODIFIED)].
This information was last updated on Aug 18, 2025.