National Stock Number
5920-00-072-1492
National Stock Number (NSN) 5920-00-072-1492, or NIIN 000721492, (absorber,overvoltage) was assigned July 22, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6130004600619.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 somewhat common among different platforms, belonging to 3 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 21, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 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 5920000721492 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.