O-Ring, Material Rubber Fluorosilicone Class FQ, Outside Diameter 0.443 Inch

Part # M25988/1-108

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The M25988/1-108 Packing is a high-performance fluorosilicone rubber seal for aviation, featuring excellent temperature/chemical resistance, precise dimensions, and a hardness of 70 Shore A for enhanced durability and reliability in critical applications.
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Overview

O-Ring is a reliable sealing component identified by the part number M25988-1-108. It is made of rubber fluorosilicone class FQ, ensuring excellent performance in sealing applications. The O-ring has a maximum elongation percentage of 125, allowing it to stretch and accommodate varying sizes. With an outside diameter of 0.443 inches nominal and a center hole diameter ranging from 0.232 to 0.242 inches, it fits well in designated slots. Additionally, it boasts a hardness rating of 70.0 Shore Durometer A nominal, making it robust enough for many applications. The cross-sectional height ranges from 0.100 to 0.106 inches, contributing to its sealing effectiveness.

Features & Benefits

Features
  • Constructed from rubber fluorosilicone Class Fq for superior chemical and temperature resistance.
  • Outside diameter of 0.443 inches nominal for a precise fit.
  • Cross-sectional height between 0.100 inches minimum and 0.106 inches maximum for optimal sealing.
  • Elongation percentage of 125 maximum for flexibility in various applications.
Benefits
  • Ensures reliable sealing performance in extreme conditions.
  • Provides a secure fit to prevent leaks and enhance safety.
  • Durable construction extends the lifespan of the packing.
  • Versatile design suitable for a wide range of aviation applications.

Technical Information

NIIN

008206529

NSN

5331-00-820-6529

FSCG

5331

FSCG Category

O-Ring

UNSPSC Code

31401503

UNSPSC Category

O ring molded gasket

Standard Shelf Life (Days)

9999

Lead Time (Days)

115

Not For Sale

No

Product Class Description

O ring molded gasket

Country of Origin

United States

Harmonized Tariff Schedule Code

3926904510

Manufacturer CAGE Code

1CN74

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

No

Revision Level Applicable

Yes

Product Class

31401503

Material Composition

RUBBER

Design Holder CAGE Code

81349

Design Holder

MIL SPEC

Potential Alternates

M25988-1-108
5331008206529

Aircraft Makes

Boeing

Aircraft Models

787
737

Shipping Details

ECCN

EAR99

Proprietary Part

No

Hazmat

No
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