National Stock Number (NSN) 5985-00-153-9470, or NIIN 001539470, (circulator,radio frequency) was assigned October 10, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5840000094770.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 16 contracts issued for this part number, with 15 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M125V2154, SPE7M521P4744, SPE7MC20V9404, SPE7M519V1207, SPE7M517P2409. The total value of the awarded contracts has been US$ 578,470.00.
This NSN is somewhat common among different platforms, belonging to 3 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 22, 2015, 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) 31842. [A WAVEGUIDE, STRIPLINE, OR COAXIAL COMPONENT HAVING THREE OR MORE PORTS (TERMINALS), SO ARRANGED THAT ENERGY ENTERING ONE PORT IS TRANSMITTED TO THE NEXT ADJACENT PORT IN A PARTICULAR DIRECTION WHILE DECOUPLING THE ENERGY FROM ALL OTHER PORTS. EXCLUDES:SWITCH, RADIO FREQUENCY TRANSMISSION LINE; AND SWITCH, WAVEGUIDE.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5985001539470 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 Aug 01, 2025.