National Stock Number (NSN) 5985-01-144-3993, or NIIN 011443993, (waveguide assembly) was assigned December 20, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 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 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 14 contracts issued for this part number, with 14 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: SPE7M524P6255, SPE7M523P1814, SPE7M522P1662, SPE7M521P3060, SPE7M520P7352. The total value of the awarded contracts has been US$ 169,738.00.
This NSN is somewhat common among different platforms, belonging to 4 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 23,916. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00305. [AN ITEM CONSISTING OF ONE OR MORE DEFINITE LENGTHS OF STRAIGHT OR FORMED, FLEXIBLE OR RIGID, PREFABRICATED HOLLOW TUBING OF CONDUCTIVE MATERIAL. THE TUBING HAS A PREDETERMINED CROSS SECTION AND IS DESIGNED TO GUIDE OR CONDUCT HIGH FREQUENCY ELECTROMAGNETIC ENERGY THROUGH ITS INTERIOR. ONE OR MORE ENDS ARE TERMINATED. MAY INCLUDE COMMON MOUNTING OF A SWITCH, WAVE GUIDE, A DUMMY LOAD, ELECTRICAL AND OTHER COMPONENTS SUCH AS WAVEGUIDE SECTION, CABLE TERMINAL CHAMBER AND THE LIKE. EXCLUDES:COUPLER,ROTARY,RADIO FREQUENCY; COUPLER, DIRECTIONAL; ADAPTER,WAVEGUIDE; AND TUNER, WAVEGUIDE.]. 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 5985011443993 contains silver.
This NSN is associated to Schedule B 8529109000: antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi. 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.