National Stock Number
5820-01-355-8421
National Stock Number (NSN) 5820-01-355-8421, or NIIN 013558421, (tuner,radio frequency) was assigned March 25, 1992 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00745. [AN ELECTRONIC DEVICE CONSISTING OF THE NECESSARY ELEMENTS TO ESTABLISH THE UPPER AND LOWER LIMITS AND TO EFFECT THE VARIATION (CONTINUOUS OR IN STEPS) OF THE FREQUENCY OF A TUNED CIRCUIT BY MEANS OF AN INTEGRAL VARIABLE CAPACITOR, INDUCTOR, CAVITY OR LINE. IT IS GENERALLY USED FOR TUNING RADIO RECEIVERS, TRANSMITTERS, AMPLIFIERS, OR SIMILAR ITEMS. IT DOES NOT INCLUDE ELECTRON TUBES. SEE ALSO TUNING UNIT, RADIO FREQUENCY.]. 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 5820013558421 does not contain precious metals.
This information was last updated on Aug 01, 2025.