National Stock Number
5440-01-558-8535
National Stock Number (NSN) 5440-01-558-8535, or NIIN 015588535, (ladder,three-way combination) was assigned November 27, 2007 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. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 12 contracts issued for this part number, with 12 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE8E525V0363, SPE8E524V2211, SPE8E520P0614, SPE8E519V3155, SPE8E516V1995. The total value of the awarded contracts has been US$ 28,925.07.
This NSN is unique to one weapons system.
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 Dec 19, 2013, 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 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) 48385. [A PORTABLE LADDER CAPABLE OF BEING USED AS A STEPLADDER, OR AS A SINGLE LADDER, OR EXTENSION LADDER. IT MAY BE CAPABLE OF BEING USED AS A TRESSLE LADDER OR A STAIRWELL LADDER OR A SCAFFOLD. ITS COMPONENTS MAY BE USED AS SINGLE LADDERS.]. 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 5440015588535 does not contain precious metals.
This information was last updated on Aug 01, 2025.