National Stock Number
3455-00-187-6540
National Stock Number (NSN) 3455-00-187-6540, or NIIN 001876540, (cutter,milling,involute gear) 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, 3455005291049.
There are 11 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 3 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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 02, 2007, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 05423. [A ROTARY CUTTING TOOL HAVING FORM CUTTERS, THE FORM OF WHICH IS SUCH AS WILL PRODUCE AN INVOLUTE-SHAPED TOOTH PROFILE. EXCLUDE CUTTER, MILLING, BEVEL GEAR.]. 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 3455001876540 contains an unknown precious metal.
This NSN is associated to Schedule B 8466933050: parts and accessories of metalworking machine tools for cutting, grinding or finishing gears. The Schedule B End Use is listed as metalworking machine tools.
This information was last updated on Aug 01, 2025.