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PartsTable / COMPONENT / 18Z426-D8
18Z426-D8 ✓ 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,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: FLANGED, seal_width: 0.250 INCHES NOMINAL IN, outside_diameter: 2.445 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 2.437 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-737-2477, 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
18Z426-D8
NSN: 5330-00-737-2477
FSC: 5330
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleFLANGED
seal_width0.250 INCHES NOMINAL IN
outside_diameter2.445 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter2.437 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
NSN5330-00-737-2477
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18Z426-D8 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
•
HOUSING BORE DIAMETER: 2.437 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
MATERIAL: STEEL CASE
•
OUTSIDE DIAMETER: 2.445 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.437 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
OUTSIDE DIAMETER2.445 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
SEAL WIDTH0.250 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
CASE STYLEFLANGED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
62010Interchangeable
interchangeable cross-reference
interchangeable
RK358Interchangeable
interchangeable cross-reference
interchangeable
W1755AInterchangeable
interchangeable cross-reference
interchangeable
HC9020FDP4HInterchangeable
interchangeable cross-reference
interchangeable
930809Interchangeable
interchangeable cross-reference
interchangeable
S32166Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18Z426-D8?
18Z426-D8 is a SEAL,PLAIN ENCASED.
What parts can replace 18Z426-D8?
There are 17 known substitutes for 18Z426-D8: 62010, RK358, W1755A and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18Z426-D8?
18Z426-D8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-737-2477. 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