National Stock Number (NSN) 5945-00-504-4552, or NIIN 005044552, (chopper,electronic) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5945005772929.
There are 6 manufacturer part numbers associated with this NSN. 4 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 15, 2013. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM7M813M3054, SPM7M813M3054, SPM7M813M1571, SPM7M813M1571. The total value of the awarded contracts has been US$ 61,390.00.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 26, 2010, 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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5945005044552 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 Aug 01, 2025.