National Stock Number
5985-00-509-9955
National Stock Number (NSN) 5985-00-509-9955, or NIIN 005099955, (tuner,waveguide) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005099955 was cancelled on April 30, 2010, 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 are 2 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, 2 suppliers 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) 01875. [AN ITEM DESIGNED TO BE INSERTED IN A WAVEGUIDE AND WHICH CAN BE CONTROLLED TO ELECTRICALLY INCREASE OR DECREASE ITS DIMENSIONS SO AS TO MINIMIZE THE STANDING WAVE RATIO. SEE ALSO TUNER, TRANSMISSION LINE.]. 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 5985005099955 does not contain precious metals.
This information was last updated on Aug 01, 2025.