National Stock Number
5930-01-039-2931
National Stock Number (NSN) 5930-01-039-2931, or NIIN 010392931, (switch,stepping) was assigned April 17, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 26954. [AN_ELECTROMAGNETICALLY_ACTUATED_SWITCH_HAVING_CONTACT_WIPERS_WHICH_ARE_SUCCESSIVELY_ROTATED_OVER_FIXED_BANK_CONTACTS._THE_CONTACT_WIPERS_ARE_PROGRESSIVELY_ADVANCED_OVER_THE_FIXED_BANK_CONTACTS_THROUGH_A_REPETITIVE_SERIES_OF_STEPPING_OPERATIONS._THE_STEPPING_OPERATION_MAY_BE_A_CONTINUOUS_FORWARD_ROTATION_ACTING_THROUGH_360_DEGREES_TO_RETURN_TO_ITS_NORMAL_UNOPERATED_POSITION_OR_IT_MAY_BE_DESIGNED_TO_INCLUDE_AN_ELECTROMAGNETIC_AND/OR_MECHANICAL_MEANS_FOR_RELEASING_AND_RESETTING_THE_SWITCH_TO_ITS_RELEASED_POSITION_FOR_A_SUBSEQUENT_OPERATION._THE_CONTACT_WIPERS_MAY_BE_MECHANICALLY_HELD_IN_CONTACT_WITH_THE_FIXED_BANK_CONTACTS_AFTER_THE_ARMATURE_OF_THE_ACTUATING_COIL_HAS_RELEASED._THE_SWITCH_MAY_BE_RELEASED_AT_THE_END_OF_ITS_TRAVEL_OR_AT_ANY_INTERMEDIATE_POSITION._IT_INCLUDES_ITEMS_DESIGNED_WITH_TWO_ELECTROMAGNETIC_ACTUATORS_THAT_ENABLE_THE_SWITCH_TO_OPERATE_IN_EITHER_DIRECTION._FOR_ITEMS_HAVING_THE_DUAL_FUNCTION_OF_A_SWITCH_AND_A_RELAY_ASSEMBLED_TOGETHER_ON_A_COMMON_MOUNTING,_SEE_RELAY-SWITCH._FOR_OTHER_THAN_ELECTROMAGNETICALLY_ACTUATED_SWITCHES_WHOSE_CONTACT WIPERS ARE MANUALLY ROTATED OVER FIXED BANK CONTACTS, SEE SWITCH, ROTARY. EXCLUDES:RELAY, ROTARY AND SWITCH, TELEPHONE (AS MODIFIED).]. 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 5930010392931 contains an unknown precious metal.
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.