National Stock Number (NSN) 2530-01-222-8007, or NIIN 012228007, (arm assembly,pivot,track suspens) was assigned December 17, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2530011024768.
There are 4 manufacturer part numbers 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, one supplier is 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 26 contracts issued for this part number, with 31 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7L124F004B, SPE7LX23F23NJ, SPE7LX23F23NJ, SPE7LX23F23NJ, SPE7LX23F23NJ. The total value of the awarded contracts has been US$ 2,149,090.34.
This NSN is somewhat common among different platforms, belonging to 4 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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 61478. [AN ITEM OF RIGID CONSTRUCTION, WHICH IS A COMPONENT OF THE TRACK SUSPENSION OF TRACK LAYING VEHICLES. IT IS SPECIFICALLY DESIGNED TO PIVOT AT ONE END AND TO ACCOMMODATE A ROAD WHEEL OR A COMPENSATING IDLER WHEEL ON THE OTHER, IT MAY HAVE PROVISION FOR MOUNTING A TORSION BAR, SUSPENSION OR OTHER SUSPENSION ELEMENTS AT THE PIVOTING AXIS. IT MAY INCLUDE SPINDLE(S), BEARING(S), HUB(S), AND THE LIKE, AND MAY HAVE PROVISIONS FOR MOUNTING A SHOCK ABSORBER AND/OR A TRACK TENSION ADJUSTING LINK.]. 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 2530012228007 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 Jun 01, 2025.