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 CHLOROPRENE CLASS CR, temp_rating: -35.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 12.320 INCHES MINIMUM AND 12.470 INCHES MAXIMUM IN, center_hole_diameter: 11.910 INCHES MINIMUM AND 12.040 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-026-4387, 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
AS568B-381
NSN:5331-01-026-4387 FSC:5331 — O-RING CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
material
RUBBER CHLOROPRENE CLASS CR
temp_rating
-35.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
12.320 INCHES MINIMUM AND 12.470 INCHES MAXIMUM IN
center_hole_diameter
11.910 INCHES MINIMUM AND 12.040 INCHES MAXIMUM IN
cross-sectional_height
0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
end_item_identification
NIMITZ CLASS CVN; FORRESTAL CLASS CV
NSN
5331-01-026-4387
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
•
CENTER HOLE DIAMETER: 11.910 INCHES MINIMUM AND 12.040 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 12.320 INCHES MINIMUM AND 12.470 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
TEMP RATING: -35.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING
70.0 SHORE DUROMETER A NOMINAL
MATERIAL
RUBBER CHLOROPRENE CLASS CR
CENTER HOLE DIAMETER
11.910 INCHES MINIMUM AND 12.040 INCHES MAXIMUM IN
OUTSIDE DIAMETER
12.320 INCHES MINIMUM AND 12.470 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS568B-381?
AS568B-381 is a O-RING.
What parts can replace AS568B-381?
There are 19 known substitutes for AS568B-381: AB556U, 2381, SCDL47184 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS568B-381?
AS568B-381 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-026-4387. This indicates validated use in U.S. government and defense supply chains.
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