PartsTable
Technical Data Sheet
H4798 ✓ 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 overall_width: 8.000 INCHES NOMINAL IN, aperture_width: 7.250 INCHES NOMINAL IN, overall_length: 13.438 INCHES NOMINAL IN, aperture_length: 12.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.012 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-356-1413, 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
H4798
NSN: 5330-00-356-1413
FSC: 5330
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
overall_width8.000 INCHES NOMINAL IN
aperture_width7.250 INCHES NOMINAL IN
overall_length13.438 INCHES NOMINAL IN
aperture_length12.562 INCHES NOMINAL IN
cross-sectional_thickness0.012 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-356-1413
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H4798 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 THICKNESS: 0.012 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE WIDTH: 7.250 INCHES NOMINAL IN
APERTURE LENGTH: 12.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.012 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH13.438 INCHES NOMINAL IN
OVERALL WIDTH8.000 INCHES NOMINAL IN
APERTURE WIDTH7.250 INCHES NOMINAL IN
APERTURE LENGTH12.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
13891AInterchangeable
interchangeable cross-reference
interchangeable
5746911Interchangeable
interchangeable cross-reference
interchangeable
88505X1CInterchangeable
interchangeable cross-reference
interchangeable
QT538Interchangeable
interchangeable cross-reference
interchangeable
28613Interchangeable
interchangeable cross-reference
interchangeable
AR3665Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H4798?
H4798 is a GASKET.
What parts can replace H4798?
There are 15 known substitutes for H4798: 13891A, 5746911, 88505X1C and 12 more. Substitute compatibility should be verified for your specific system.
Is H4798 still available?
H4798 is currently cancelled.
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