You are buy a set of 10 New Old Stock Friction Discs for the DP hydraulic brake system for DP recovery winches for some rated 20K-100K lbs winches. DP part numbers 3158 and 11603. There may be some oxidation, cosmetic damage and warehouse crud. Sold "as is". Shipping is 2 lbs at buyer's expense. Similar NSN part number 2530-01-251-5296
***Steel Discs available***