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Technical Data Sheet
PartsTable / COMPONENT / 7702766
7702766 ✓ 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: PAPER OVERALL, outside_diameter: 3.156 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.312 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-366-6423, 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
7702766
NSN: 5330-00-366-6423
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPAPER OVERALL
outside_diameter3.156 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.312 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-366-6423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7702766 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.156 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.312 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.156 INCHES NOMINAL IN
APERTURE DIAMETER2.312 INCHES NOMINAL IN
MATERIALPAPER OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
8006Interchangeable
interchangeable cross-reference
interchangeable
570C-403Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
630-5Interchangeable
interchangeable cross-reference
interchangeable
28KP864Interchangeable
interchangeable cross-reference
interchangeable
5345250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7702766?
7702766 is a GASKET.
What parts can replace 7702766?
There are 17 known substitutes for 7702766: 8006, 570C-403, ASME B94.19 and 14 more. Substitute compatibility should be verified for your specific system.
Is 7702766 still available?
7702766 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