National Stock Number
4220-01-676-3784
National Stock Number (NSN) 4220-01-676-3784, or NIIN 016763784, (valve,breathing apparatus) was assigned October 25, 2018 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 one supplier. Today, one supplier is listed as an Active supplier 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.
This NSN is assigned to Item Name Code (INC) 39364. [A ITEM SPECIFICALLY DESIGNED TO AUTOMATICALLY/MANUALLY MAINTAIN OUTLET PRESSURE IN A DIVERS HELMET/BREATHING APPARATUS. IT IS DESIGNED FOR USE WITH BREATHING GASSES.]. 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 4220016763784 does not contain precious metals.
This information was last updated on Jun 01, 2025.