National Stock Number
4220-01-683-4790
National Stock Number (NSN) 4220-01-683-4790, or NIIN 016834790, (compensator,buoyancy,diver's) was assigned September 24, 2019 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 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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) 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 4220016834790 does not contain precious metals.
This information was last updated on Aug 01, 2025.