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Technical Data Sheet
PartsTable / O-RING / 2-228 77-545-75
2-228 77-545-75 ✓ 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: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN, center_hole_diameter: 2.214 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-165-1946, 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
2-228 77-545-75
NSN: 5331-00-165-1946
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
center_hole_diameter2.214 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-165-1946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-228 77-545-75 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
OUTSIDE DIAMETER: 2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.214 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER FLUOROCARBON CLASS FPM
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE125 MAXIMUM
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER2.484 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.214 INCHES MINIMUM AND 2.254 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
HILS6Interchangeable
interchangeable cross-reference
interchangeable
1056-10Interchangeable
interchangeable cross-reference
interchangeable
1056110Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-231Interchangeable
interchangeable cross-reference
interchangeable
AS3209-231Interchangeable
interchangeable cross-reference
interchangeable
M83485/1-231Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-228 77-545-75?
2-228 77-545-75 is a O-RING.
What parts can replace 2-228 77-545-75?
There are 32 known substitutes for 2-228 77-545-75: HILS6, 1056-10, 1056110 and 29 more. Substitute compatibility should be verified for your specific system.
Is 2-228 77-545-75 still available?
2-228 77-545-75 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026