National Stock Number
3815-01-356-1601
National Stock Number (NSN) 3815-01-356-1601, or NIIN 013561601, (fairlead,roller and sheave) was assigned March 30, 1992 in the Federal Logistics Information System (FLIS). NIIN 013561601 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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.
This NSN is assigned to Item Name Code (INC) 11559. [AN ITEM CONSISTING OF A FRAMEWORK WITH ROLLERS (EXCLUDE FLANGED) AND SHEAVES SO ARRANGED AS TO PROVIDE SPACE BETWEEN THE ROLLERS THROUGH WHICH THE LINES FROM THE SHEAVES ARE PASSED. IT IS USUALLY USED ON HEAVY CONSTRUCTION EQUIPMENT, SUCH AS CRANE-SHOVELS, PILE DRIVERS, LOGGING ARCHES AND THE LIKE, ON PONTOON BARGES, THE ROLLERS PROVIDING EXTRA PROTECTION FROM CHAFING WHEN OBLIQUE PULL MAY OCCUR, AND SHEAVES ACT AS A GUIDE FOR 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 3815013561601 does not contain precious metals.
This information was last updated on Jun 01, 2025.