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 FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN, center_hole_diameter: 5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1966, 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
AS3209-251
NSN:5331-00-165-1966 FSC:5331 — O-RING CAGE:81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
material
RUBBER FLUOROCARBON CLASS FPM
temp_rating
-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating
75.0 SHORE DUROMETER A NOMINAL
outside_diameter
5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN
center_hole_diameter
5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
elongation_percentage
125 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-165-1966
COMPONENT DIAGRAM
KEY FEATURES
•
OUTSIDE DIAMETER: 5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is AS3209-251?
AS3209-251 is a O-RING.
What parts can replace AS3209-251?
There are 29 known substitutes for AS3209-251: K-500-CH-1349, MS14314-3X, W6506B and 26 more. Substitute compatibility should be verified for your specific system.
Is AS3209-251 still available?
AS3209-251 is currently cancelled.
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