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Technical Data Sheet
34579HA ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, hole_diameter: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.687 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, cross-sectional_thickness: 0.063 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-355-3606, 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
34579HA
NSN: 5330-00-355-3606
FSC: 5330
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialCORK OVERALL
hole_diameter0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.687 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAM-3284,FSCM 92679 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-355-3606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 34579HA 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
MATERIAL: CORK OVERALL
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
HOLE DIAMETER: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION: AM-3284,FSCM 92679 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH2.250 INCHES NOMINAL IN
MATERIALCORK OVERALL
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
HOLE DIAMETER0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH2.687 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAM-3284,FSCM 92679 MFR REF SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
M34710Interchangeable
interchangeable cross-reference
interchangeable
34710Interchangeable
ScreenPlay WiFi Adapters
interchangeable
559392Interchangeable
interchangeable cross-reference
interchangeable
R33-178Interchangeable
interchangeable cross-reference
interchangeable
34579HCInterchangeable
Same NIIN cross-reference
interchangeable
1N34579HAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34579HA?
34579HA is a GASKET.
What parts can replace 34579HA?
There are 6 known substitutes for 34579HA: M34710, 34710, 559392 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34579HA?
34579HA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-355-3606. This indicates validated use in U.S. government and defense supply chains.
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