National Stock Number (NSN) 3040-01-270-6833, or NIIN 012706833, (extension shaft) was assigned January 12, 1988 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, with the most recent procurement date of Mar 30, 2020. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L320V3539, SPE7L020V2530, SPE7L318V6296, SPE5E915V4176, SPE5E914V3881. The total value of the awarded contracts has been US$ 23,178.05.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
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 Oct 24, 2009, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 3040012706833 does not contain precious metals.
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 Aug 01, 2025.