National Stock Number
5920-00-549-2203
National Stock Number (NSN) 5920-00-549-2203, or NIIN 005492203, (absorber,overvoltage) was assigned October 15, 1974 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, 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 or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21899. [AN ITEM SPECIFICALLY DESIGNED TO ABSORB AND CONSUME SURGES OF VOLTAGE SUCH AS THAT RESULTING ACROSS CONTACTS WHEN BREAKING A CIRCUIT HAVING AN INDUCTIVE LOAD OR A BURST OF STATIC ACROSS A TELEPHONE RECEIVER. IT IS CONNECTED IN PARALLEL WITH THE ITEM IT IS PROTECTING. IT MAY BE MADE UP OF METALLIC RECTIFIER CELLS OR SEMICONDUCTOR DEVICES CONNECTED BACK-TO-BACK WHICH MAY OR MAY NOT BE SHUNTED BY A CAPACITOR. IT MAY ALSO BE A SINGLE RECTIFIER CELL OR SEMICONDUCTOR DEVICE SHUNTED BY A CAPACITOR. EXCLUDES:METALLIC RECTIFIERS WHICH ARE RATED FOR RECTIFYING CAPABILITIES AND ALL SINGLE UNIT SEMICONDUCTOR DEVICES NOT SHUNTED BY A CAPACITOR. FOR ITEMS PERFOMING THIS FUNCTION BY USE OF VOLTAGE SENSITIVE RESISTORS, SEE RESISTOR, VOLTAGE SENSITIVE. SEE ALSO CUTOUT DISK, PROTECTIVE.]. 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 5920005492203 contains an unknown precious metal.
This NSN is associated to Schedule B 8536908010: electrical distribution ducts, for a voltage not exceeding 1,000 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.
This information was last updated on Jul 01, 2025.