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Technical Data Sheet
120240 ✓ Verified by PartsTable
Zyxel · 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 GASKET is a Zyxel industrial component. Key specifications include material: PAPER AND GLUE AND GLYCERIN OVERALL, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.375 INCHES NOMINAL IN, bolt_circle_diameter: 5.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-663-6418, 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
120240
NSN: 5330-00-663-6418
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.375 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter5.125 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-663-6418
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 120240 MFR: Zyxel ⚠ 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
APERTURE DIAMETER: 4.375 INCHES NOMINAL IN
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL: PAPER AND GLUE AND GLYCERIN OVERALL
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER: 6.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATOR: CIRCULAR
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER4.375 INCHES NOMINAL IN
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER6.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORCIRCULAR
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER5.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
31213Interchangeable
interchangeable cross-reference
interchangeable
1195Interchangeable
interchangeable cross-reference
interchangeable
50214873Interchangeable
interchangeable cross-reference
interchangeable
37XSJ7215Interchangeable
interchangeable cross-reference
interchangeable
23361Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120240?
120240 is a GASKET manufactured by Zyxel.
What parts can replace 120240?
There are 12 known substitutes for 120240: GGG-D-296, 31213, 1195 and 9 more. Substitute compatibility should be verified for your specific system.
Is 120240 still available?
120240 is currently cancelled.
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