National Stock Number (NSN) 5930-00-421-9093, or NIIN 004219093, (switch,proximity) was assigned February 5, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 unique to one weapons system.
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.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 35487. [A SWITCH DESIGNED TO PERFORM THE FUNCTION OF OPENING AND/OR CLOSING ONE OR MORE ELECTRICAL CIRCUITS. THE SWITCHING FUNCTION IS ACCOMPLISHED BY MEANS OF SEPARABLE CONTACTS, SEMICONDUCTOR DEVICES, OR A COMBINATION OF SEPARABLE CONTACTS AND SEMICONDUCTOR DEVICES. THE ITEM FUNCTIONS IN RESPONSE TO ELECTRICAL CHANGES IN ITS INTERNAL CIRCUIT CAUSED BY CAPACITANCE, INDUCTANCE, OR MAGNETIC FLUX CHANGES. IT IS ACTIVATED BY PERMANENT MAGNETS, METALLIC MATERIALS, OR NONMETALLIC MATERIALS WHICH COME WITHIN ITS SENSING RANGE. FOR SENSING SWITCHES WHICH RESPOND TO CHANGES OTHER THAN CAPACITANCE, INDUCTANCE, OR MAGNETIC FLUX, SEE SWITCH, AIRFLOW; SWITCH, CENTRIFUGAL; SWITCH, INERTIA; SWITCH, PRESSURE; SWITCH, PRESSURE-THERMOSTATIC; SWITCH, THERMOSTATIC; AND SWITCH, TILT.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5930004219093 does not contain precious metals.
This NSN is associated to Schedule B 8536509065: switches, for a voltage not exceeding 1000 volts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335931: current-carrying wiring device manufacturing.
This information was last updated on Aug 01, 2025.