PartsTable
Technical Data Sheet
MS9068-139 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-003-9307, 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
MS9068-139
NSN: 5331-00-003-9307
FSC: 5331 — O-RING
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMS9068-139
NSN5331-00-003-9307
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9068-139 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
30-1289Interchangeable
interchangeable cross-reference
interchangeable
3502Interchangeable
interchangeable cross-reference
interchangeable
652333Interchangeable
interchangeable cross-reference
interchangeable
B33N0091-1Interchangeable
interchangeable cross-reference
interchangeable
AS3582-139Interchangeable
Same NIIN cross-reference
interchangeable
2-139 S604-70Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9068-139?
MS9068-139 is a O-RING.
What parts can replace MS9068-139?
There are 8 known substitutes for MS9068-139: 30-1289, 3502, 652333 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9068-139?
MS9068-139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-003-9307. This indicates validated use in U.S. government and defense supply chains.
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