National Stock Number (NSN) 2510-01-583-8549, or NIIN 015838549, (shock absorber,direct action) was assigned April 8, 2010 in the Federal Logistics Information System (FLIS). NIIN 015838549 was cancelled on July 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2510016046833. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 3 of those 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. 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 Feb 08, 2013. There have been 6 contracts issued for this part number, with 6 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: SPM7L413V2420, SPM7L311C0107, SPM7L311M2991, SPM7L311M2130, SPM7L411V0340. The total value of the awarded contracts has been US$ 805,315.80.
This NSN is somewhat common among different platforms, belonging to 5 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 Sep 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 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 2510015838549 does not contain precious metals.
This information was last updated on Jun 01, 2025.