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Technical Data Sheet
ASM 7259 ✓ 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, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 14.262 INCHES NOMINAL IN, center_hole_diameter: 13.919 INCHES MINIMUM AND 14.049 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 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 5331-01-083-6504, 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
ASM 7259
NSN: 5331-01-083-6504
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter14.262 INCHES NOMINAL IN
center_hole_diameter13.919 INCHES MINIMUM AND 14.049 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-083-6504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ASM 7259 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
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
ELONGATION PERCENTAGE: 125 MAXIMUM
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 13.919 INCHES MINIMUM AND 14.049 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 14.262 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER13.919 INCHES MINIMUM AND 14.049 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER14.262 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M83485/1-140Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3581Interchangeable
interchangeable cross-reference
interchangeable
AMS7259DInterchangeable
interchangeable cross-reference
interchangeable
AS3581-280Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS83248/2Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-908Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASM 7259?
ASM 7259 is a O-RING.
What parts can replace ASM 7259?
There are 9 known substitutes for ASM 7259: M83485/1-140, SAE-AS3581, AMS7259D and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASM 7259?
ASM 7259 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-083-6504. This indicates validated use in U.S. government and defense supply chains.
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