National Stock Number
2540-21-912-3604
National Stock Number (NSN) 2540-21-912-3604, or NIIN 219123604, (insulation,acoustical,vehicular) has an unknown assigned date. NIIN 219123604 was cancelled on September 2, 2019, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 2510012676058.
There are 2 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, 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 not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 14, 2011. 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: SPM7L012M0280. The total value of the awarded contracts has been US$ 554.98.
This NSN is unique to one weapons system.
There has been very little 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) 48942. [INC 48942 CANCELLED/REPLACED BY INC 42144, FIIG A51100, ,ON 050313 ~AN ITEM COMPOSED OF FIBER, PLASTIC FOAM, OR SYNTHETIC MATERIAL IN VARIOUS SHAPES AND SIZES AND MAY CONTAIN BOLT HOLE(S). IT IS DESIGNED TO ENTRAP AND DISSIPATE SOUND ENERGY.].
This information was last updated on Jul 30, 2025.