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Technical Data Sheet
PartsTable / O-RING / 8212-245
8212-245 ✓ 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 SILICONE CLASS Q, outside_diameter: 1.137 INCHES NOMINAL IN, center_hole_diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-871-7905, 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
8212-245
NSN: 5331-00-871-7905
FSC: 5331 — O-RING
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
outside_diameter1.137 INCHES NOMINAL IN
center_hole_diameter0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-871-7905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8212-245 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 SILICONE CLASS Q
•
CENTER HOLE DIAMETER: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.137 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.137 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ARP568-212ZZR76 5GR70Interchangeable
interchangeable cross-reference
interchangeable
AS568-212Interchangeable
interchangeable cross-reference
interchangeable
AA55801-212D7Interchangeable
interchangeable cross-reference
interchangeable
AS568-212AMS7276Interchangeable
interchangeable cross-reference
interchangeable
A6689.212.303Interchangeable
interchangeable cross-reference
interchangeable
2-212 N674-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8212-245?
8212-245 is a O-RING.
What parts can replace 8212-245?
There are 15 known substitutes for 8212-245: ARP568-212ZZR76 5GR70, AS568-212, AA55801-212D7 and 12 more. Substitute compatibility should be verified for your specific system.
Is 8212-245 still available?
8212-245 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