National Stock Number
5440-01-563-8421
National Stock Number (NSN) 5440-01-563-8421, or NIIN 015638421, (ladder,safety step) was assigned May 23, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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. 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.
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 Sep 21, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 26705. [A LADDER HAVING FLAT ANTISKID STEPS MOUNTED ON AN INTEGRAL NONCOLLAPSIBLE SUPPORTING FRAME. IT MAY HAVE HANDRAILS AND CASTERS. EXCLUDES:MAINTENANCE PLATFORM; STAIRCASE, AIRCRAFT BOARDING; LADDER (AS MODIFIED); AND STEPLADDER.]. 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 5440015638421 does not contain precious metals.
This information was last updated on Jul 01, 2025.