National Stock Number
4220-01-418-4211
National Stock Number (NSN) 4220-01-418-4211, or NIIN 014184211, (purge button,breathing apparatus) was assigned August 25, 1995 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 39359. [A METALLIC/NONMETALLIC ITEM WITH A CIRCULAR TOP AND A STEM SHAPED BOTTOM. IT IS SPECIFICALLY DESIGNED TO RECESS INTO A BOX BOTTOM, REGULATOR, BREATHING APPARATUS TO MANUALLY ACTIVATE THE DIAPHRAGM OF A DIVERS BREATHING REGULATOR.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220014184211 does not contain precious metals.
This information was last updated on Jul 01, 2025.