PartsTable
Technical Data Sheet
AS3209-331 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
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: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.645 INCHES NOMINAL IN, center_hole_diameter: 2.207 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5157, 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
AS3209-331
NSN: 5331-00-167-5157
FSC: 5331 — O-RING
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.645 INCHES NOMINAL IN
center_hole_diameter2.207 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-167-5157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3209-331 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 2.207 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 125 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER: 2.645 INCHES NOMINAL IN
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER2.207 INCHES MINIMUM AND 2.243 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OUTSIDE DIAMETER2.645 INCHES NOMINAL IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
F20-8702PC15Interchangeable
interchangeable cross-reference
interchangeable
845-1889799 PC 15Interchangeable
interchangeable cross-reference
interchangeable
845-2109897,PC.15Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-813461/1Interchangeable
interchangeable cross-reference
interchangeable
M83461/1-331Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-83461/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS3209-331?
AS3209-331 is a O-RING.
What parts can replace AS3209-331?
There are 18 known substitutes for AS3209-331: F20-8702PC15, 845-1889799 PC 15, 845-2109897,PC.15 and 15 more. Substitute compatibility should be verified for your specific system.
Is AS3209-331 still available?
AS3209-331 is currently cancelled.
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