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A0861 ✓ 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: ALUMINUM ALLOY OVERALL, outside_diameter: 3.865 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.492 INCHES NOMINAL IN, cross-sectional_thickness: 0.140 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-148-0346, 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
A0861
NSN: 5330-01-148-0346
FSC: 5330
CAGE: 15284 — EATON CORPORATION DIV FED (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
outside_diameter3.865 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.492 INCHES NOMINAL IN
cross-sectional_thickness0.140 INCHES NOMINAL IN
NSN5330-01-148-0346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A0861 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
•
APERTURE DIAMETER: 3.492 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.140 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
OUTSIDE DIAMETER: 3.865 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER3.492 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.140 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
OUTSIDE DIAMETER3.865 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
00861Interchangeable
interchangeable cross-reference
interchangeable
0861Interchangeable
interchangeable cross-reference
interchangeable
6002-92Interchangeable
interchangeable cross-reference
interchangeable
LE261-0018-0351Interchangeable
Same NIIN cross-reference
interchangeable
GS570CP0861Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A0861?
A0861 is a GASKET.
What parts can replace A0861?
There are 5 known substitutes for A0861: 00861, 0861, 6002-92 and 2 more. Substitute compatibility should be verified for your specific system.
Is A0861 still available?
A0861 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