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 ETHYLENE-PROPYLENE CLASS EPM, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 4.824 INCHES MINIMUM AND 4.894 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-012-5148, 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
AS568-249
NSN:5331-01-012-5148 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER ETHYLENE-PROPYLENE CLASS EPM
hardness_rating
75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter
4.824 INCHES MINIMUM AND 4.894 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-01-012-5148
COMPONENT DIAGRAM
KEY FEATURES
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 5.137 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is AS568-249?
AS568-249 is a O-RING.
What parts can replace AS568-249?
There are 21 known substitutes for AS568-249: 50325, 495LX, SM-B-148337 and 18 more. Substitute compatibility should be verified for your specific system.
Is AS568-249 still available?
AS568-249 is currently cancelled.
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