National Stock Number
4220-01-686-0830
National Stock Number (NSN) 4220-01-686-0830, or NIIN 016860830, (compensator,buoyancy,diver's) was assigned January 29, 2020 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 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) 51597. [AN INFLATABLE ITEM WHICH IS PRIMARILY DESIGNED TO ADJUST BUOYANCY AT THE DIVER'S REQUEST AND/OR PROVIDE RAPID SURFACING IN CASE OF DANGER. EXCLUDES:RING BUOY,LIFE SAVING AND LIFE PRESERVER (AS MODIFIED).]. 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 4220016860830 does not contain precious metals.
This information was last updated on Aug 01, 2025.