National Stock Number
5930-00-505-1820
National Stock Number (NSN) 5930-00-505-1820, or NIIN 005051820, (switch,stepping) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5930005032667.
There are 5 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 4 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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 5930005051820 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.