Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, temp_rating: -103.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, outside_diameter: 4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN, center_hole_diameter: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN, elongation_percentage: 150 MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-445-8747, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
AS568-243
NSN:5331-00-445-8747 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER SILICONE CLASS Q
temp_rating
-103.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
hardness_rating
60.0 SHORE DUROMETER A NOMINAL
outside_diameter
4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN
center_hole_diameter
4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
elongation_percentage
150 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-445-8747
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.387 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS568-243?
AS568-243 is a O-RING.
What parts can replace AS568-243?
There are 9 known substitutes for AS568-243: MS28775-243ES, 2-243-N304-7, AN6230B21 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-243?
AS568-243 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-445-8747. This indicates validated use in U.S. government and defense supply chains.
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