National Stock Number
5998-00-404-5520
National Stock Number (NSN) 5998-00-404-5520, or NIIN 004045520, (printed wiring board) was assigned August 1, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
This NSN is unique to one weapons system.
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 only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. 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) 61737. [AN INSULATING PANEL UPON WHICH COMPLETELY PROCESSED ELECTRICAL CONDUCTOR PATHS ARE DEPOSITED, ETCHED, OR PRINTED IN VARIOUS PATTERNS TO PROVIDE OR COMPLETE A CIRCUIT BETWEEN TWO OR MORE POINTS. IT MAY PROVIDE CONTACTS FOR PLUG-IN CONNECTING FACILITIES. IT MAY BE DESIGNED FOR PANEL OR CHASSIS MOUNTING, OR FOR INSERTION INTO A CONNECTOR, RECEPTACLE, ELECTRICAL. FOR ITEMS CONTAINING PRINTED ELECTRONIC COMPONENTS, SEE PRINTED CIRCUIT BOARD. FOR ITEMS CONTAINING SEPARATELY MANUFACTURED ELECTRONIC COMPONENTS, SEE CIRCUIT CARD ASSEMBLY. FOR ITEMS CONSISTING ONLY OF ELECTRICAL CONDUCTOR PATHS AND TWO OR MORE CONNECTORS, SEE BACKPLANE ASSEMBLY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5998004045520 contains an unknown precious metal.
This NSN is associated to Schedule B 8542900000: electronic integrated circuits and microassembly parts. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.
This information was last updated on Jul 01, 2026.