National Stock Number
2530-21-906-4377
National Stock Number (NSN) 2530-21-906-4377, or NIIN 219064377, (brake drum) has an unknown assigned date. This NSN replaces 1 stock number, 2530011574097.
There are 3 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 14 contracts issued for this part number, with 15 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7L425P1928, SPE7L425P1928, SPE7L125P2963, SPE7L424P2080, SPE7L424P2080. The total value of the awarded contracts has been US$ 525,719.70.
This NSN is somewhat common among different platforms, belonging to 5 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.
This NSN is assigned to Item Name Code (INC) 11298. [A CIRCULAR SHAPED METAL ITEM DESIGNED TO BE CONNECTED TO A MACHINE OR VEHICLE SHAFT OR WHEEL AND USED TO RETARD, STOP OR PREVENT MOTION BY THE APPLICATION OF PRESSURE EXERTED BY BRAKE(S) OR BAND(S).].
This information was last updated on Jul 30, 2025.