National Stock Number
3040-00-351-4791
National Stock Number (NSN) 3040-00-351-4791, or NIIN 003514791, (extension shaft) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6625005887360.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.
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 Mar 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18437. [AN ITEM CONSISTING OF A LENGTH OF RIGID SHAFTING DESIGNED TO BE COUPLED TO THE SHAFT OF ITEMS SUCH AS VARIABLE CAPACITORS, SWITCHES, HAND CRANKS AND THE LIKE. IT IS SPECIFICALLY DESIGNED TO INCREASE THE LENGTH OF THE ORIGINAL SHAFT AND MAY ALSO EFFECT A CHANGE IN THE SHAFT DIAMETER. INCLUDES COUPLING(S) OR HAS PROCESSED END(S) TO FACILITATE THE ATTACHMENT OF A COUPLING DEVICE. MAY HAVE PROVISION FOR ELECTRICALLY INSULATING THE EXTENSION SHAFT FROM THE OTHER SHAFT.]. 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 3040003514791 contains an unknown precious metal.
This NSN is associated to Schedule B 8412909080: parts of engines and motors, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333111: farm machinery and equipment manufacturing.
This information was last updated on Jul 01, 2025.