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PartsTable / COMPONENT / J1128P18
J1128P18 ✓ 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 SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, ring_style: CONTRACTING CONCENTRIC, overall_width: 0.1030 INCHES MINIMUM AND 0.1130 INCHES MAXIMUM IN, inside_diameter: 2.208 INCHES NOMINAL IN, radial_wall_thickness: 0.2830 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM IN, supplementary_features: APPROX. WEIGHT: 0.13 LB LBS.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-498-0546, 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
J1128P18
NSN: 5330-01-498-0546
FSC: 5330
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
ring_styleCONTRACTING CONCENTRIC
overall_width0.1030 INCHES MINIMUM AND 0.1130 INCHES MAXIMUM IN
inside_diameter2.208 INCHES NOMINAL IN
radial_wall_thickness0.2830 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM IN
supplementary_featuresAPPROX. WEIGHT: 0.13 LB LBS
NSN5330-01-498-0546
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: J1128P18 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
•
RING STYLE: CONTRACTING CONCENTRIC
•
INSIDE DIAMETER: 2.208 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: APPROX. WEIGHT: 0.13 LB LBS
•
MATERIAL: NICKEL ALLOY OVERALL
•
RADIAL WALL THICKNESS: 0.2830 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLECONTRACTING CONCENTRIC
INSIDE DIAMETER2.208 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESAPPROX. WEIGHT: 0.13 LB LBS
MATERIALNICKEL ALLOY OVERALL
RADIAL WALL THICKNESS0.2830 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM IN
OVERALL WIDTH0.1030 INCHES MINIMUM AND 0.1130 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
F574REVEPC38Interchangeable
interchangeable cross-reference
interchangeable
A3505Interchangeable
interchangeable cross-reference
interchangeable
S3JK10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J1128P18?
J1128P18 is a SEAL RING,METAL.
What parts can replace J1128P18?
There are 3 known substitutes for J1128P18: F574REVEPC38, A3505, S3JK10. Substitute compatibility should be verified for your specific system.
What is the NSN for J1128P18?
J1128P18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-498-0546. 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