O-Ring, Rubber Synthetic, Hardness Rating 70.0 Shore Durometer A

Part # S8990-012

The S8990-012 Packing O-ring is a high-quality synthetic rubber seal for aviation, fitting diameters of 0.348"-0.365" (center) and 0.493"-0.515" (outside). It operates in extreme temperatures from -65°F to 450°F, with a hardness of 70 Shore A.
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Overview

O-Ring S8990-012 is designed for effective sealing in various mechanical applications. This O-ring features a hardness rating of 70.0 Shore Durometer A nominal, providing a good balance between flexibility and resistance. The material used is synthetic rubber, which is known for its resilience and longevity. The O-Ring has a cross-sectional height that ranges from 0.065 inches minimum to 0.073 inches maximum, ensuring a snug fit in its designated grooves. Additionally, it accommodates a center hole diameter between 0.348 inches and 0.365 inches, as well as an outside diameter that spans from 0.493 inches minimum to 0.515 inches maximum. This O-Ring is temperature rated to perform effectively from -65.0 Fahrenheit to 450.0 Fahrenheit, making it suitable for various environmental conditions.

Features & Benefits

Features
  • Constructed from high-quality synthetic rubber for superior sealing performance.
  • Temperature rating of -65.0 degrees Fahrenheit to 450.0 degrees Fahrenheit for versatility in extreme conditions.
  • Precise dimensions with a center hole diameter of 0.348 to 0.365 inches and an outside diameter of 0.493 to 0.515 inches.
  • Hardness rating of 70.0 Shore Durometer A nominal for enhanced durability.
Benefits
  • Ensures reliable sealing to prevent leaks in critical applications.
  • Withstands extreme temperatures, making it ideal for diverse environments.
  • Provides a precise fit, enhancing the overall performance of assemblies.
  • Durable construction extends the lifespan of the O-ring, reducing maintenance needs.

Technical Information

ATA Number

21,
27,
30,
36,
47,
49,
80

ATA Chapter

Air Conditioning
Flight Controls
Ice and Rain Protection
Pneumatic
Nitrogen Generation System
Airborne Auxiliary Power
1 more

ATA Group

Airframe Systems
Power Plant

ATA Section

AFT CARGO COMPARTMENT HEATING SYSTEM
AIR CYCLE SYSTEM
CONDITIONED AIR TEMPERATURE CONTROL SYSTEM
TEMPERATURE INDICATING SYSTEM
LEADING EDGE FLAP AND SLAT CONTROL SYSTEM
INLET COWL ANTI-ICING SYSTEM
5 more

NIIN

008530246

NSN

5331-00-853-0246

FSCG

5331

FSCG Category

O-Ring

UNSPSC Code

31401503

UNSPSC Category

O ring molded gasket

Standard Shelf Life (Days)

9999

Lead Time (Days)

17

Not For Sale

No

Product Class Description

O ring molded gasket

Harmonized Tariff Schedule Code

3926904510

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

No

Revision Level Applicable

No

Product Class

31401503

Material Composition

RUBBER

Design Holder CAGE Code

N/A

Design Holder

N/A

Potential Alternates

HONS8990-012
148163ITL
5331008530246
S8990-12

Aircraft Makes

Boeing

Aircraft Models

737-8200
747-400F
757
767-200
737-400SF
767-300ER
65 more

Shipping Details

Dry Ice

No

ECCN

EAR99

Proprietary Part

Yes

Hazmat

No
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Boeing Distribution Services
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