National Stock Number
5925-01-721-8189
National Stock Number (NSN) 5925-01-721-8189, or NIIN 017218189, (interrupter,ground fault) was assigned June 28, 2024 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
This NSN is assigned to Item Name Code (INC) 32522. [AN ELECTRICAL SAFETY DEVICE DESIGNED FOR INSERTION IN A POWER DISTRIBUTION CIRCUIT TO PROVIDE PROTECTION AGAINST SERIOUS INJURY OR DEATH CAUSED BY CONTACT WITH DAMAGED OR DEFECTIVE ELECTRICAL EQUIPMENT. IT DISCONNECTS THE UNGROUNDED CONDUCTOR(S) WHEN ITS INTEGRAL CIRCUITRY SENSES AN UNDESIRABLE CURRENT FLOW TO EARTH (GROUND). IT INCLUDES A RESET FEATURE AND MAY HAVE A TEST FACILITY. IT MAY BE DESIGNED FOR INSTALLATION IN AN ELECTRICAL PANEL OR BOX, OR MAY BE A PORTABLE UNIT WITH ITS OWN ENCLOSURE. MAY INCLUDE SWITCHES, CIRCUIT BREAKERS, FUSES, AND THE LIKE; PORTABLE UNITS MAY HAVE CONNECTING CABLES. EXCLUDES OVERCURRENT PROTECTIVE DEVICES WHICH ALSO PROVIDE A GROUND FAULT SENSING AND INTERRUPTING CAPABILITY. SEE ALSO CIRCUIT BREAKER.]. 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 5925017218189 does not contain precious metals.
This NSN is associated to Schedule B 8538907020: automatic circuit breaker parts for headings 8535, 8536 or 8537. 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 Aug 01, 2025.