National Stock Number
2590-01-159-8641
National Stock Number (NSN) 2590-01-159-8641, or NIIN 011598641, (cap,filler opening) was assigned August 14, 1983 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 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. 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) 30128. [A PART BASICALLY CIRCULAR IN SHAPE, DESIGNED TO COVER OR SEAL THE FILLER-NECK OR INLET OPENING OF A FUEL TANK, RADIATOR, OIL RESERVOIR, LIQUID STORAGE TANK OR THE LIKE. IT MAY BE EITHER PERMANENTLY ATTACHED TO THE OBJECT FOR WHICH IT IS DESIGNED OR PROVIDED WITH A MEANS OF REMOVAL AND REPLACEMENT. EXCLUDES:CAP, VENT, FUEL STORAGE TANK; AND COVER (1), (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 data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2590011598641 does not contain precious metals.
This NSN is associated to Schedule B 8309100000: crown corks (including crown seals and caps), and parts thereof, of base metal. The Schedule B End Use is listed as finished metal shapes.
This information was last updated on Jul 01, 2025.