National Stock Number
3040-01-556-5290
National Stock Number (NSN) 3040-01-556-5290, or NIIN 015565290, (guide,piston rod) was assigned October 3, 2007 in the Federal Logistics Information System (FLIS). NIIN 015565290 was cancelled on March 2, 2012, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820015565269. This NSN replaces 1 stock number, 2590015406035.
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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 somewhat common among different platforms, belonging to 2 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.
This NSN is assigned to Item Name Code (INC) 39992. [AN ITEM WITH AN AXIAL HOLE THROUGH WHICH A PISTON ROD SLIDES. IT MAY HAVE COAXIAL HOLES TO PERMIT THE FREE FLOW OF HYDRAULIC FULID, AND THE LIKE. THE FLUID FLOW HOLES MAY PERMIT THE USE OF A SPANNER WRENCH TO INSTALL THE ITEM. EXCLUDES BUSHING, MACHINE THREAD.]. 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 3040015565290 does not contain precious metals.
This information was last updated on Aug 01, 2025.