National Stock Number
3815-00-641-6931
National Stock Number (NSN) 3815-00-641-6931, or NIIN 006416931, (fairlead,sheave) 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, 3815003195190.
There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers 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 assigned to Item Name Code (INC) 11558. [AN ITEM CONSISTING OF A FRAMEWORK WITH A GROOVED WHEEL OR WHEELS, INCLUDING FLAT SURFACED WHEELS WITH FLANGES, FITTED THEREIN, SO MOUNTED AS TO PROVIDE AN OPENING THROUGH WHICH LINES ARE PASSED. IT IS USED TO PROVIDE PROTECTION FROM CHAFING WHEN OBLIQUE PULL MAY OCCUR, AND/OR TO CHANGE DIRECTION OF LINES.]. 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 3815006416931 contains an unknown precious metal.
This NSN is associated to Schedule B 8431499037: parts of backhoes, shovels, clamshells and draglines. The Schedule B End Use is listed as excavating machinery. NAICS classification category 333120: construction machinery manufacturing.
This information was last updated on Aug 01, 2025.