National Stock Number
5930-00-272-1427
National Stock Number (NSN) 5930-00-272-1427, or NIIN 002721427, (switch,mercury) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5930003731800, 5930003648979.
There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 13 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 10, 2014, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00159. [A SWITCH IN WHICH A MERCURY POOL IS USED TO BRIDGE FIXED CONTACTS WHEN THEIR INCLOSING SEALED CAPSULE IS TILTED. DO NOT USE IF SWITCH HAS AN ACTUATOR, SUCH AS LEVER, PUSH BUTTON, TOGGLE, AND THE LIKE. SEE SWITCH (AS MODIFIED). FOR ITEMS IN WHICH A CONTACT MAY BE MOVED INTO A MERCURY POOL BY A MAGNETIC FIELD, SEE SWITCH, REED.]. 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 5930002721427 contains an unknown precious metal.
This NSN is associated to Schedule B 8536509035: switches, push-button, rated at over 5 a, for a voltage not exceeding 1,000 v. 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 Jul 01, 2025.