National Stock Number
5985-00-571-3943
National Stock Number (NSN) 5985-00-571-3943, or NIIN 005713943, (waveguide assembly) 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 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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 11, 2010, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 5985005713943 does not contain precious metals.
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 Jul 01, 2025.