National Stock Number
1610-99-386-7598
National Stock Number (NSN) 1610-99-386-7598, or NIIN 993867598, (cone,rear,adapter assembly) has an unknown assigned date. 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, there are no suppliers that 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 somewhat common among different platforms, belonging to 2 different weapons systems.
This NSN is assigned to Item Name Code (INC) 42129. [A TUBULAR ITEM WITH A CONICAL SHAPED END (ACTUALLY A FRUSTUM OF A CONE) HAVING THE BASE OF THE CONE WITH A GREATER DIAMETER THAN THE TUBULAR PORTION OF THE ITEM THAT IT IS PART OF.].
This information was last updated on Dec 12, 2025.