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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 6.012 INCHES NOMINAL IN, center_hole_diameter: 5.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN, elongation_percentage: 160 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 5331-00-199-1644, 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
AS568-256
NSN:5331-00-199-1644 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-65.0 FAHRENHEIT AND 240.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
6.012 INCHES NOMINAL IN
center_hole_diameter
5.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-199-1644
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 5.711 INCHES MINIMUM AND 5.757 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.012 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS568-256?
AS568-256 is a O-RING.
What parts can replace AS568-256?
There are 12 known substitutes for AS568-256: AS568-256, 611980-4, M83248/2-256 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568-256?
AS568-256 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-199-1644. This indicates validated use in U.S. government and defense supply chains.
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