PartsTable
Technical Data Sheet
PartsTable / O-RING / 1227568
1227568 ✓ Verified by PartsTable
3M · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

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This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-447-8422, 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
1227568
NSN: 5331-00-447-8422
FSC: 5331 — O-RING
CAGE: 33030 — OPTICAL RADIATION CORPORATION DBA ORC LIGHTING PRODUCTS (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter1.449 INCHES NOMINAL IN
center_hole_diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-447-8422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1227568 MFR: 3M ⚠ 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: 70.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 1.449 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER1.449 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2633-745-02PC9Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-765CL2BGR70/AS568-217Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS3582Interchangeable
Same NIIN cross-reference
interchangeable
MS9068-217Interchangeable
Same NIIN cross-reference
interchangeable
ZZ-R-765CL2,GR7 0 1.187IDX.125WInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1227568?
1227568 is a O-RING manufactured by 3M.
What parts can replace 1227568?
There are 9 known substitutes for 1227568: 2633-745-02PC9, ZZ-R-765, ZZ-R-765CL2BGR70/AS568-217 and 6 more. Substitute compatibility should be verified for your specific system.
Is 1227568 still available?
1227568 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026