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AS3209-431 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3209-431: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC FLUOROCARBON, center_hole_diameter: 5.225 INCHES NOMINAL IN, cross-sectional_height: 0.275 INCHES NOMINAL IN, end_item_identification: BALL VALVE 3.50 NPS., departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-005-3204, 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
AS3209-431
NSN: 5331-01-005-3204
NIINs: 010053204, 015534068
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC FLUOROCARBON
center_hole_diameter5.225 INCHES NOMINAL IN
cross-sectional_height0.275 INCHES NOMINAL IN
end_item_identificationBALL VALVE 3.50 NPS.
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-005-3204
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3209-431 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
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.726 INCHES MINIMUM AND 5.824 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 5.188 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.726 INCHES MINIMUM AND 5.824 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER5.188 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
2-431 V747-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
M83248-1-431Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M83428/1-431Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NAS1593-431Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-R-83248/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILR83248-1-431Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3209-431?
AS3209-431 is a O-RING.
What parts can replace AS3209-431?
There are 9 known substitutes for AS3209-431: 2-431 V747-75, M83248-1-431, M83428/1-431 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3209-431?
AS3209-431 is cataloged in the U.S. Government catalog under NSN 5331-01-005-3204. This indicates validated use in U.S. government and defense supply chains.
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