National Stock Number
5305-21-913-3577
National Stock Number (NSN) 5305-21-913-3577, or NIIN 219133577, (screw,drive) has an unknown assigned date. 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, 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 assigned to Item Name Code (INC) 15896. [A HARDENED CYLINDRICAL FASTENER WITH MULTIPLE SPIRAL FLUTES ON ITS SHANK. IT ALSO HAS AN END SMALLER IN DIAMETER THAN THE OUTSIDE DIAMETER OF THE SPIRAL FLUTES, WHICH ACTS AS A PILOT WHEN DRIVEN INTO A DRILLED HOLE.].
This information was last updated on Dec 08, 2025.