3815-01-500-3766 (4026-807 2874026807)
3815-01-500-3766 is equivalent to manufacture part number 287. It is a sheave fairlead and is classified under Federal Supply Class 3815 (3815 - Crane and Crane-Shovel Attachments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3815 - Crane and Crane-Shovel Attachments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.