National Stock Number (NSN) 2520-00-388-4197, or NIIN 003884197, (spider,universal joint,vehicular) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 13 stock numbers. Five of the National Stock Numbers that it replaces are: 2520007560118, 2520013391586, 2520012730325, 2520004956414, 2520003485492.
There are 50 manufacturer part numbers associated with this NSN. 47 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 32 suppliers. Today, 22 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 built a very strong supply chain for this NSN. We have direct relationships with 27 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 475 contracts issued for this part number, with 1021 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7LX25F538J, SPE7LX25F538J, SPE7LX25F7958, SPE7LX25F7958, SPE7LX24F09AJ. The total value of the awarded contracts has been US$ 1,324,260.18.
This NSN is very common among different weapons systems, belonging to 34 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 19, 2010, 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) 53465. [A SPIDER HAVING FOUR RADIATING ARMS, WITH BEARING SURFACE ON EACH ARM TO WHICH THE OPPOSITE YOKES OF A UNIVERSAL JOINT ARE CONNECTED.]. 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 2520003884197 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.