National Stock Number
3040-00-459-2981
National Stock Number (NSN) 3040-00-459-2981, or NIIN 004592981, (head,linear actuating cylinder) was assigned August 12, 1970 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61755. [AN ITEM DESIGNED TO ATTACH TO THE ACTUATING END OF A LINEAR CYLINDER. IT HAS AN ORIFICE TO ACCOMMODATE A PISTON ROD AND PACKING, BEARING, OR THE LIKE TO RETAIN FLUID IN THE CYLINDER ASSEMBLY. THE ITEM MAY INCLUDE PORTS, VALVES, AND THE LIKE. FOR ITEMS OPPOSITE THE ACTUATING END, SEE CAP, LINEAR ACTUATING CYLINDER.]. 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 3040004592981 contains an unknown precious metal.
This NSN is associated to Schedule B 8412210015: linear acting hydraulic motors with tie-rod type cylinders. The Schedule B End Use is listed as industrial engines. NAICS classification category 333995: fluid power cylinder and actuator manufacturing.
This information was last updated on Aug 01, 2025.