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Technical Data Sheet
PartsTable / O-RING / J120, CLII,SZ135
J120, CLII,SZ135 ✓ 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 J120, CLII,SZ135 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 5331-01-128-0432, 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
J120, CLII,SZ135
NSN: 5331-01-128-0432
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberJ120, CLII,SZ135
NSN5331-01-128-0432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J120, CLII,SZ135 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: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CENTER HOLE DIAMETER: 1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.131 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER FLUOROCARBON CLASS FPM
CENTER HOLE DIAMETER1.908 INCHES MINIMUM AND 1.942 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.131 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
J120Interchangeable
interchangeable cross-reference
interchangeable
7912037Interchangeable
interchangeable cross-reference
interchangeable
AS568-132Interchangeable
interchangeable cross-reference
interchangeable
2124880Interchangeable
interchangeable cross-reference
interchangeable
67446-1405006Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J120, CLII,SZ135?
J120, CLII,SZ135 is a J120, CLII,SZ135.
What parts can replace J120, CLII,SZ135?
There are 13 known substitutes for J120, CLII,SZ135: J120, 7912037, AS568-132 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J120, CLII,SZ135?
J120, CLII,SZ135 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-128-0432. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026