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MS28774-138

BACK-UP RING (MS28774-138)

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The MS28774-138 back-up ring is a critical sealing component designed to prevent extrusion and damage of O-rings in high-pressure hydraulic and pneumatic systems. It is commonly used in applications requiring reliable sealing performance under dynamic or static conditions, such as in aerospace, industrial machinery, and fluid power systems. This back-up ring ensures extended seal life and maintains system integrity by providing additional support to sealing elements.This component is manufactured to the applicable MS, AN, or NAS specification, ensuring compliance with recognized military and aerospace dimensional, material, and performance requirements. Material certifications, Certificates of Conformance (CoC), and traceability are available where applicable.

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The MS28774-138 back-up ring is a critical sealing component designed to prevent extrusion and damage of O-rings in high-pressure hydraulic and pneumatic systems. It is commonly used in applications requiring reliable sealing performance under dynamic or static conditions, such as in aerospace, industrial machinery, and fluid power systems. This back-up ring ensures extended seal life and maintains system integrity by providing additional support to sealing elements.This component is manufactured to the applicable MS, AN, or NAS specification, ensuring compliance with recognized military and aerospace dimensional, material, and performance requirements. Material certifications, Certificates of Conformance (CoC), and traceability are available where applicable.

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