National Stock Number
3815-01-570-5856
National Stock Number (NSN) 3815-01-570-5856, or NIIN 015705856, (fairlead,roller) was assigned January 7, 2009 in the Federal Logistics Information System (FLIS). NIIN 015705856 was cancelled on January 2, 2011, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2590015575470. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 23, 2010. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM8E011V0284, SPM8EE10V0897, SPM8EE10M0238. The total value of the awarded contracts has been US$ 638.75.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 11557. [AN ITEM CONSISTING OF A FRAMEWORK WITH ROLLERS (EXCLUDE FLANGED) 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 3815015705856 does not contain precious metals.
This information was last updated on Aug 01, 2025.