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R78388: Back-Up Ring

John Deere · Part Number: R78388
$3.32
  • Designed as a Back-Up Ring to provide additional sealing support and prevent extrusion in hydraulic systems
  • Key specifications: Outer Diameter of 34.21 mm (1.35 in), Inner Diameter of 28.52 mm (1.12 in), and Thickness of 1.27 mm (0.05 in)
  • Features a Durometer rating of 2240, ensuring optimal hardness and durability for demanding applications
  • Made from high quality general rubber for excellent flexibility and resilience
Special Order— Ships when available
Not currently in stock. You can still place your order and we'll work to source it for you.
Product Dimensions
Weight
0.01 lb
Height
1.30 in
Width
3.00 in
Length
0.10 in
A piece of metal , felt , fiber or other material usually annular and basically flat used under a bolt or rivet head under a nut or other fastener to distribute pressure , produce predetermined pressure or space. Includes parts with a thickness greater than 0.77 MM and equal to or less than 9.53 MM.