National Stock Number
5920-00-122-0078
National Stock Number (NSN) 5920-00-122-0078, or NIIN 001220078, (arrester,electrical surge) was assigned November 1, 1968 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 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
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 Apr 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00381. [A CIRCUIT-PROTECTING DEVICE WHICH PROVIDES A DISCHARGE PATH FOR ABNORMAL SURGES OF HIGH POTENTIAL WHILE CONSUMING LITTLE OR NO POWER AT NORMAL OPERATING VOLTAGE. EXCLUDES:ITEMS WHICH ABSORB CONTINUOUSLY RECURRING CYCLIC PULSES. FOR RESISTORS WHICH ARE SENSITIVE TO VOLTAGE CHANGES OR USED AS ELEMENTS IN SURGE ARRESTERS, SEE RESISTOR, VOLTAGE SENSITIVE. SEE ALSO ABSORBER, OVERVOLTAGE; AND 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 5920001220078 contains an unknown precious metal.
This NSN is associated to Schedule B 8535400000: lightning arrestors, voltage limiters and surge suppressors, for voltage exceeding 1000 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 334417: electronic connector manufacturing.
This information was last updated on Aug 01, 2025.