National Stock Number
4910-00-812-7271
National Stock Number (NSN) 4910-00-812-7271, or NIIN 008127271, (bead breaker,pneumatic tire) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 008127271 was cancelled on January 22, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4910000250177. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4910008127271 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.