National Stock Number
5120-00-439-8271
National Stock Number (NSN) 5120-00-439-8271, or NIIN 004398271, (bit,screwdriver) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5120010188972.
There are 8 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 30, 2014, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 03503. [AN ITEM DESIGNED FOR USE WITH A HOLDER, SCREWDRIVER BIT (AS MODIFIED), PART OF A BIT SET, SCREWDRIVER, OR A REPLACEMENT PART FOR A SOCKET WRENCH ATTACHMENT, SCREWDRIVER. IT HAS A SCREWDRIVING TIP AT ONE OR BOTH ENDS. SEE ALSO, SOCKET WRENCH ATTACHMENT, SCREWDRIVER.]. 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 5120004398271 does not contain precious metals.
This NSN is associated to Schedule B 8207907570: interchangeable tools for handtools or for machine tools, nesoi, and base metal parts thereof. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333515: cutting tool and machine tool accessory manufacturing.
This information was last updated on Jul 01, 2025.