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Technical Data Sheet
PartsTable / COMPONENT / 2066C
2066C ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, outside_diameter: 0.781 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.078 INCHES NOMINAL IN, cross-sectional_shape_style: METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-814-7690, 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
2066C
NSN: 5330-00-814-7690
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialCOPPER OVERALL
outside_diameter0.781 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.562 INCHES NOMINAL IN
cross-sectional_thickness0.078 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL
NSN5330-00-814-7690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2066C 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
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: COPPER OVERALL
•
OUTSIDE DIAMETER: 0.781 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.078 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.562 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
MATERIALCOPPER OVERALL
OUTSIDE DIAMETER0.781 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.078 INCHES NOMINAL IN
APERTURE DIAMETER0.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1-693Interchangeable
interchangeable cross-reference
interchangeable
NAV132-56Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-3541BInterchangeable
interchangeable cross-reference
interchangeable
7338650Interchangeable
interchangeable cross-reference
interchangeable
AS35411Interchangeable
interchangeable cross-reference
interchangeable
S2918-010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2066C?
2066C is a GASKET.
What parts can replace 2066C?
There are 15 known substitutes for 2066C: 1-693, NAV132-56, MIL-F-3541B and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2066C?
2066C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-814-7690. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026