PINCH BOLT AND WASHER SET FOR THE TRUNION SPRING SEAT ON ALL 2.5 TON TRUCKS.  LARGE, HARD TO FIND BOLTS THAT YOU WONT FIND AT YOUR LOCAL HARDWARE STORE. 

ONE SET COVERS ONE SPRING SEAT. SEE DIAGRAM FOR CLARIFICATION ON LOCATION. 

PART #'s 7521642 & MS35338-52 NSN's 5306-00-752-1642, 5306007521642, 5310-00-754-2005, 5310007542005