National Stock Number
5440-01-162-4431
National Stock Number (NSN) 5440-01-162-4431, or NIIN 011624431, (stepladder) was assigned September 17, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1730002290844.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 a strong supply network for this NSN, with 15 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 07, 2015. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE8E515M1922, SPE8E514V1758, SPE8E514V1383, SPE8E514V1028, SPE8E514M0442. The total value of the awarded contracts has been US$ 30,355.48.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of 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 Aug 16, 2020, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02119. [A SELF-SUPPORTING LADDER OF FIXED SIZE CONSISTING OF FRONT AND REAR SECTIONS WHICH ARE HINGED AT THE TOP. IT IS USUALLY CONSTRUCTED WITH STEPS ON THE FRONT SECTION ONLY BUT MAY BE CONSTRUCTED AS A TRESTLE TYPE UNIT WITH IDENTICAL FRONT AND REAR SECTIONS UTILIZING EITHER STEPS OR RUNGS.]. 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 5440011624431 does not contain precious metals.
This information was last updated on Aug 01, 2025.