National Stock Number
5985-00-177-7198
National Stock Number (NSN) 5985-00-177-7198, or NIIN 001777198, (horn,waveguide) was assigned December 8, 1971 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. 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 23, 2011. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7MC12V0656, SPM7M910M5732. The total value of the awarded contracts has been US$ 10,090.00.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 24, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 5985001777198 does not contain precious metals.
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.