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Technical Data Sheet
PartsTable / COMPONENT / 3856A10
3856A10 ✓ 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: ASBESTOS AND COPPER OVERALL, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.269 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN, cross-sectional_thickness: 0.078 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WITH SOFT FILLER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-3425, 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
3856A10
NSN: 5330-00-285-3425
FSC: 5330
CAGE: 28835 — HOBART BROS CO (USA)
SPECIFICATIONS
materialASBESTOS AND COPPER OVERALL
outside_diameter0.375 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.269 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
cross-sectional_thickness0.078 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
NSN5330-00-285-3425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3856A10 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
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.269 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: ASBESTOS AND COPPER OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.078 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
APERTURE DIAMETER0.269 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
STYLE DESIGNATORCIRCULAR
MATERIALASBESTOS AND COPPER OVERALL
CROSS-SECTIONAL THICKNESS0.078 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
GAX00-1966Interchangeable
interchangeable cross-reference
interchangeable
45904Interchangeable
interchangeable cross-reference
interchangeable
11-465-9Interchangeable
interchangeable cross-reference
interchangeable
11465-5Interchangeable
interchangeable cross-reference
interchangeable
4950-4Interchangeable
interchangeable cross-reference
interchangeable
LOCTITE 495Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3856A10?
3856A10 is a GASKET.
What parts can replace 3856A10?
There are 10 known substitutes for 3856A10: GAX00-1966, 45904, 11-465-9 and 7 more. Substitute compatibility should be verified for your specific system.
Is 3856A10 still available?
3856A10 is currently cancelled.
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Last verified: July 2026