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Technical Data Sheet
S10J139-161 ✓ 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 401.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.139 INCHES NOMINAL IN, specification/standard_data: 81343 AMS 3304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-931-3014, 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
S10J139-161
NSN: 5331-00-931-3014
FSC: 5331 — O-RING
CAGE: 08118 — EATON AVIATION CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
elongation_percentage125 MAXIMUM
cross-sectional_height0.139 INCHES NOMINAL IN
specification/standard_data81343 AMS 3304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5331-00-931-3014
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S10J139-161 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
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
MATERIAL: RUBBER SILICONE CLASS Q
ELONGATION PERCENTAGE: 125 MAXIMUM
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
SPECIFICATION/STANDARD DATA: 81343 AMS 3304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER SILICONE CLASS Q
ELONGATION PERCENTAGE125 MAXIMUM
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
SPECIFICATION/STANDARD DATA81343 AMS 3304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
AS568-902Interchangeable
interchangeable cross-reference
interchangeable
TR-RG30Interchangeable
interchangeable cross-reference
interchangeable
AS568-902AMS3304Interchangeable
interchangeable cross-reference
interchangeable
AS3582-029Interchangeable
interchangeable cross-reference
interchangeable
2-029 S604-70Interchangeable
interchangeable cross-reference
interchangeable
MS-9068-029Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S10J139-161?
S10J139-161 is a O-RING.
What parts can replace S10J139-161?
There are 23 known substitutes for S10J139-161: AS568-902, TR-RG30, AS568-902AMS3304 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S10J139-161?
S10J139-161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-931-3014. This indicates validated use in U.S. government and defense supply chains.
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