National Stock Number
9540-01-344-5431
National Stock Number (NSN) 9540-01-344-5431, or NIIN 013445431, (channel,structural) was assigned August 31, 1991 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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.
This NSN is assigned to Item Name Code (INC) 37019. [A STRUCTURAL SHAPE FABRICATED FROM A FERROUS OR NONFERROUS MATERIAL AND HAS A FLANGE EXTENDING USUALLY AT RIGHT ANGLES IN THE SAME DIRECTION FROM EACH EDGE OF A WEB AND/OR RESEMBLING THE LETTER U IN CROSS-SECTIONAL FORM.]. 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 9540013445431 does not contain precious metals.
This NSN is associated to Schedule B 7601209500: other unwrought aluminum alloys, nesoi. The Schedule B End Use is listed as aluminum and alumina.
This information was last updated on Jul 01, 2025.