MS28775-022 - O-Ring

Part number MS28775-022 is an aerospace-grade nitrile rubber (NBR/Buna-N) O-ring seal manufactured to military specification standards for use in aircraft hydraulic, fuel, oil, and pneumatic sealing systems. This elastomeric seal is designed to provide reliable static and limited dynamic sealing performance in applications exposed to petroleum-based aviation fluids and lubricants.

The O-ring is manufactured in accordance with MIL-P-25732 requirements using N888 nitrile compound, offering excellent resistance to aviation fuels, hydraulic fluids, lubricating oils, and pressure system media while maintaining dependable compression and sealing characteristics over long service intervals.

Markings / Packaging Information

• Part Number: MS28775-022
• Type: Nitrile (NBR/Buna-N) O-ring seal
• Specification: MIL-P-25732
• Compound: N888
• Supplier: International Seal
• Packed By: Proponent (CAGE 59789)
• Quantity: 1 each
• Shelf Life: 15 years per AS5316
• Package Date: 06/2022
• Expiration: 1Q37

Features

• Aerospace-grade nitrile elastomer construction
• Resistant to aviation fuels, hydraulic fluids, and lubricating oils
• Suitable for static and limited dynamic sealing applications
• Reliable compression set and sealing integrity
• Military specification compliant for aerospace service applications
• Commonly used in aircraft hydraulic, fuel, lubrication, and pneumatic systems