M25988-1-916 Fluorosilicone Rubber Aircraft O-ring / Packing

Military Specification

M25988-1-916

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M25988-1-916 Fluorosilicone Rubber Aircraft O-ring / Packing

M25988 Series seals are designed for packing applications and provide resistance to both oil and fuel. With high and low-temperature properties, this seal offers a somewhat reduced temperature range compared to silicone rubber yet increased resistance to various petroleum fluids. These seals are commonly employed in Aircraft Fuel and Lube systems requiring resistance to diester base lubricants.

Specifications:

  • Dimensions:
    • Diameter: 1 11/64" ID x " OD
    • Thickness: 7/64"
  • Alternate Part Numbers
    • M25988/1-916, 99-4347-16
    • NSN: 5330-00-886-8982