National Stock Number
4220-01-561-6763
National Stock Number (NSN) 4220-01-561-6763, or NIIN 015616763, (purge button,breathing apparatus) was assigned March 13, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 15, 2018, this NSN's acquisition method was noted as: Not established. Not established.
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.]. 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 4220015616763 does not contain precious metals.
This information was last updated on Aug 01, 2025.