National Stock Number
4910-00-121-8577
National Stock Number (NSN) 4910-00-121-8577, or NIIN 001218577, (bead breaker,pneumatic tire) was assigned April 12, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, only one supplier is 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 Mar 25, 2020. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L720P2782. The total value of the awarded contracts has been US$ 47,923.92.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little 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 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21534. [A HAND-OPERATED LEVERAGE DEVICE DESIGNED TO LOOSEN TIRE BEADS FROM A WHEEL RIM FOR TIRE REMOVAL. IT CONSISTS OF A BASE-MOUNTED UPRIGHT WHICH SERVES AS A FULCRUM FOR AN ATTACHED LEVER ARM FROM WHICH A LEG WITH A SHOE IS SUSPENDED. WHEN THE WHEEL AND TIRE ASSEMBLY IS POSITIONED FLAT ON THE BASE WITH THE SHOE AGAINST THE UPPER SIDE OF THE TIRE AT THE RIM, DOWNWARD PRESSURE ON THE LEVER ARM FORCES THE TIRE BEAD TO BREAK AWAY FROM THE WHEEL RIM. SEE ALSO DEMOUNTER, PNEUMATIC TIRE.]. 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 4910001218577 contains an unknown precious metal.
This NSN is associated to Schedule B 8479899860: automotive maintenance machines, nesoi. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Jul 01, 2025.