National Stock Number
3040-01-256-0340
National Stock Number (NSN) 3040-01-256-0340, or NIIN 012560340, (casing,flexible shaft assembly) was assigned May 30, 1987 in the Federal Logistics Information System (FLIS). NIIN 012560340 was cancelled on August 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 3040013780749. 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 not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 24 different platforms.
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 Aug 02, 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. 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) 10256. [A ROUND, HOLLOW, FLEXIBLE ITEM MADE OF CLOSELY WOUND WIRE, PLASTIC, OR OTHER FLEXIBLE MATERIAL WITH CONNECTIONS TO PERMIT STATIONARY ATTACHMENT OF EACH END. IT IS USED TO PROTECT AND GUIDE THE CORE OF A SHAFT ASSEMBLY, FLEXIBLE OR CONTROL ASSEMBLY, PUSH-PULL.]. 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 3040012560340 does not contain precious metals.
This information was last updated on Jun 01, 2025.