National Stock Number
4920-01-275-0875
National Stock Number (NSN) 4920-01-275-0875, or NIIN 012750875, (noise suppressor system,aircraft) was assigned March 17, 1988 in the Federal Logistics Information System (FLIS). NIIN 012750875 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 42258. [AN ENCLOSED CELL DESIGNED TO SUPPRESS NOISE DURING THE TRIM/POWER TESTING OF AIRCRAFT ENGINES.]. 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 4920012750875 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.