National Stock Number
5985-00-123-9644
National Stock Number (NSN) 5985-00-123-9644, or NIIN 001239644, (mast section) was assigned November 4, 1968 in the Federal Logistics Information System (FLIS). NIIN 001239644 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, one supplier is listed as an Active supplier 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 5 years.
This NSN is assigned to Item Name Code (INC) 00189. [AN ITEM THAT IS SPECIALLY DESIGNED AND FABRICATED TO BE READILY ASSEMBLED TOGETHER WITH OTHER SECTIONS TO FORM A MAST.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5985001239644 does not contain precious metals.
This information was last updated on Jul 01, 2025.