National Stock Number
5985-00-090-0090
National Stock Number (NSN) 5985-00-090-0090, or NIIN 000900090, (horn,waveguide) 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 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers 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) 00190. [A HOLLOW CONDUCTOR OF VARYING CROSS-SECTIONAL AREA SPECIFICALLY DESIGNED TO ACHIEVE DIRECTIONAL CHARACTERISTICS IN RADIO FREQUENCY RADIATING AND RECEIVING SYSTEMS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 5985000900090 contains silver.
This NSN is associated to Schedule B 8529104000: antennas & parts for radar, radio navigational aids and radio remote controls. The Schedule B End Use is listed as telecommunications equipment. NAICS classification category 334220: radio and television broadcasting and wireless communications equipment manufacturing.
This information was last updated on Aug 01, 2025.