National Stock Number (NSN) 2510-00-489-7104, or NIIN 004897104, (shock absorber,direct action) was assigned March 22, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are 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 Jun 18, 2012. There have been 4 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7L212V4953, SPM7L212V4953, SPM7L212V4360, SPM7L212V4360, SPM7L212V0320. The total value of the awarded contracts has been US$ 35,747.27.
This NSN is somewhat common among different platforms, belonging to 10 different weapons systems.
There has been a small amount of 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 Dec 04, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18434. [A DAMPER, EITHER FRICTIONAL OR HYDRAULIC, DESIGNED TO DAMPEN THE SHOCK OF SUDDENLY APPLIED FORCE AND/OR TO CONTROL SPRING REBOUND AND OSCILLATION, USUALLY ATTACHED TO THE VEHICLE FRAME, BODY OR HULL AND CONNECTED TO AN AXLE, SPRING, SPRING SUPPORT WEB OR PAD OR BETWEEN SUSPENSION ARMS OF TRACK-LAYING VEHICLES. SEE ALSO MOUNT, RESILIENT AND SHOCK ABSORBER, LEVER ACTION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 2510004897104 does not contain precious metals.
This NSN is associated to Schedule B 8708800050: suspension shock absorbers for vehicles, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles. NAICS classification category 336330: motor vehicle steering and suspension components (except spring) manufacturing.
This information was last updated on Aug 01, 2025.