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Technical Data Sheet
211045528 ✓ 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: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.137 INCHES NOMINAL IN, center_hole_diameter: 1.841 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN, 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 5331-00-338-1440, 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
211045528
NSN: 5331-00-338-1440
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter2.137 INCHES NOMINAL IN
center_hole_diameter1.841 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-338-1440
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 211045528 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
CENTER HOLE DIAMETER: 1.841 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 2.137 INCHES NOMINAL IN
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.841 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.137 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AS3581-225Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3581Interchangeable
interchangeable cross-reference
interchangeable
M1228Interchangeable
interchangeable cross-reference
interchangeable
AMS7259Interchangeable
Same NIIN cross-reference
interchangeable
M83248/2-225Interchangeable
Same NIIN cross-reference
interchangeable
MILR83248Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 211045528?
211045528 is a O-RING.
What parts can replace 211045528?
There are 9 known substitutes for 211045528: AS3581-225, SAE-AS3581, M1228 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 211045528?
211045528 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-338-1440. This indicates validated use in U.S. government and defense supply chains.
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