951783 Back-up Rings for Caterpillar Equipment

Back-up ring with SKU 951783, also identified by part number 095-1783, for use in Caterpillar equipment sealing assemblies. The component is a ring made from PTFE (polytetrafluoroethylene) and is intended for installation alongside a seal in applications where the sealing arrangement is exposed to elevated pressure.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The supplied product data identifies Caterpillar as the equipment manufacturer, but does not specify an individual machine model, machine series, or installation position.

Cross-reference numbers

• 095-1783
• 0951783
• 951783

Specifications

The 951783 ring is a sealing-system component used to support the seal during pressure loading. Its specified function is to help prevent seal extrusion when pressure acts on the sealing assembly. The ring dimensions listed above are the supplied dimensional references for identification and part verification.

Model-specific Caterpillar fitment is not included in the available product data. Before installation, the part number, inner diameter, cross-section dimensions, material, and the required sealing assembly should be compared with the service documentation for the equipment.