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Technical Data Sheet
PartsTable / O-RING / F0N4-6512-910
F0N4-6512-910 ✓ 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, temp_rating: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.949 INCHES NOMINAL IN, center_hole_diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-524-7545, 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
F0N4-6512-910
NSN: 5331-00-524-7545
FSC: 5331 — O-RING
CAGE: H3780 — FOKKER AIRCRAFT SERVICES B.V. (NLD)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.949 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
NSN5331-00-524-7545
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F0N4-6512-910 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: 0.949 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER SILICONE CLASS Q
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CROSS-SECTIONAL HEIGHT: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
TEMP RATING: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.949 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER SILICONE CLASS Q
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
TEMP RATING-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS9385-05Interchangeable
interchangeable cross-reference
interchangeable
MS9385-06ESInterchangeable
interchangeable cross-reference
interchangeable
MS9385-06Interchangeable
interchangeable cross-reference
interchangeable
MS9385-11Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS9386Interchangeable
interchangeable cross-reference
interchangeable
MS9385-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F0N4-6512-910?
F0N4-6512-910 is a O-RING.
What parts can replace F0N4-6512-910?
There are 24 known substitutes for F0N4-6512-910: MS9385-05, MS9385-06ES, MS9385-06 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F0N4-6512-910?
F0N4-6512-910 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-524-7545. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026