MS28775-012 - O-Ring

Part number MS28775-012 is an aerospace-grade nitrile rubber (NBR/Buna-N) O-ring seal manufactured to military specification standards for aircraft hydraulic, fuel, lubrication, and pneumatic sealing applications. This elastomeric seal is designed for reliable static and limited dynamic sealing where resistance to petroleum-based aviation fluids and oils is required.

The O-ring is manufactured in accordance with MIL-P-25732 requirements using N888 nitrile compound, providing excellent compatibility with aviation hydraulic fluids, fuels, and lubricants while maintaining dependable sealing performance and compression characteristics throughout extended service life.

Markings / Packaging Information

• Part Number: MS28775-012
• 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: 08/2022
• Expiration: 2Q37

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