National Stock Number
3815-00-974-1240
National Stock Number (NSN) 3815-00-974-1240, or NIIN 009741240, (fairlead,sheave) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3815009741240 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.