National Stock Number (NSN) 2540-01-542-3397, or NIIN 015423397, (shock absorber,bumper) was assigned August 1, 2006 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 8 suppliers. Today, 7 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 a year. There have been 15 contracts issued for this part number, with 15 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7M024V6249, SPE7L123F9883, SPE7L321F019F, SPE7L321F9642, SPE7L321F2493. The total value of the awarded contracts has been US$ 77,095.79.
This NSN is somewhat common among different platforms, belonging to 8 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 7,471. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 07, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 37317. [DESIGNED TO DISSIPATE THE ENERGY OF LOW SPEED BUMPER IMPACTS AND PROVIDE PROTECTION TO THE VEHICLE BUMPER, BODY AND FRAME WITHIN A SPECIFIC SPEED RANGE. THE UNIT COMBINES A CHARGED VOLUME OF GAS SEPARATED FROM HYDAULIC FLUID BY A FLOATING PISTON OR THE LIKE, THE CHARGED GAS VOLUME RESTORES THE BUMPER TO ITS ORIGINAL POSITION AFTER IMPACT WITHIN THE SPECIFIC SPEED RANGE. THE UNIT IS NORMALLY MOUNTED TO THE VEHICLE FRAME ON ONE END AND BUMPER MOUNTING ACCOMMODATIONS ON THE OPPOSITE END.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 2540015423397 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Aug 01, 2025.