National Stock Number
5440-01-631-7778
National Stock Number (NSN) 5440-01-631-7778, or NIIN 016317778, (ladder,extension) was assigned September 25, 2014 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 3 contracts issued for this part number, with 3 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: SPE8E525V0479, SPE8E520V0733, SPE8E519V3420, SPE8E519V3420. The total value of the awarded contracts has been US$ 1,569.92.
This NSN is unique to one weapons system.
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 12, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02117. [A LADDER CONSISTING OF TWO OR MORE LADDERS JOINED NEAR THE ENDS OF THE PARALLEL SIDES BY LOCKING AND GUIDE DEVICES TO FORM A SINGLE UNIT. IT IS ADJUSTABLE TO VARYING LENGTHS AND REQUIRES A MEANS OF SUPPORT.]. 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 5440016317778 does not contain precious metals.
This information was last updated on Jul 01, 2025.