National Stock Number
4220-01-476-3337
National Stock Number (NSN) 4220-01-476-3337, or NIIN 014763337, (base,diffuser,air supply) was assigned July 10, 2000 in the Federal Logistics Information System (FLIS). NIIN 014763337 was cancelled on December 2, 2010, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 2540014763416. 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, there are no suppliers 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.
This NSN is assigned to Item Name Code (INC) 39121. [A CORROSION RESISTANT METALLIC/NONMETALLIC ITEM FABRICATED FROM A SINGLE INTERNALLY CORED CASTING WITH ONE END THREADED OR TWO OR MORE SEPARATE PIECES WITH EACH END THREADED. IT IS SPECIFICALLY DESIGNED TO ENCLOSE, SUPPORT AND PROTECT A DIFFUSER, AIR SUPPLY, OR ITS COMPONENT PARTS.]. 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 4220014763337 does not contain precious metals.
This information was last updated on Jul 01, 2025.