R81864: Back-Up Ring
John Deere · Part Number: R81864
$3.70
- High-performance back-up ring designed to prevent extrusion in hydraulic systems
- Features an inner diameter of 74.43 mm (2.93 in) and an outer diameter of 79.85 mm (3.14 in) for precise fitting
- Boasts a thickness of 1.27 mm (0.05 in) to ensure optimal sealing and durability
- Made from high quality general plastic for reliable performance in various applications
Product Dimensions
Weight
0.00 lb
Height
2.85 in
Width
4.00 in
Length
0.06 in
A ring-shaped part with rectangular cross-section generally used together with an o-ring in the same groove.

