National Stock Number
5945-00-250-2556
National Stock Number (NSN) 5945-00-250-2556, or NIIN 002502556, (chopper,electronic) was assigned November 10, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
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) 19759. [AN ELECTROMECHANICAL OR ELECTRONIC (INCLUDES SOLID STATE SEMICONDUCTOR ITEMS) DEVICE DESIGNED TO CONVERT AN ELECTRICAL SIGNAL INTO A MODIFIED SQUARE WAVE OUTPUT SIGNAL. FOR ITEMS EXCITED BY AN ALTERNATING CURRENT, THE OUTPUT SIGNAL IS THE SAME FREQUENCY AS, AND BEARS A DEFINITE PHASE RELATIONSHIP TO, THE EXCITATION VOLTAGE. FOR THOSE ELECTRONIC ITEMS DESIGNED TO OPERATE ON DIRECT CURRENT ONLY, THE OUTPUT FREQUENCY OF THE ITEM IS DEPENDENT UPON THE INHERENT PROPERTIES OF THE ITEM, OR THE INTERNAL OR EXTERNAL CIRCUIT CONSTANTS, OR THE APPLIED DRIVING COIL VOLTAGE IMPRESSED ON THE INPUT SIGNAL. FOR AN ELECTROMECHANICAL ITEM WHOSE COIL IS DESIGNED FOR DIRECT CURRENT ONLY, SEE VIBRATOR, INTERRUPTER AND VIBRATOR, SELF-RECTIFYING.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5945002502556 contains an unknown precious metal.
This NSN is associated to Schedule B 8538907080: parts suitable for use solely or principally with the apparatus for heading 8535, 8536,8537, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335314: relay and industrial control manufacturing.
This information was last updated on Jul 01, 2025.