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Technical Data Sheet
PartsTable / COMPONENT / 140774
140774 ✓ 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: RUBBER SYNTHETIC OVERALL, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 5.125 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.625 INCHES NOMINAL IN, elongation_percentage: 250 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-718-7385, 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
140774
NSN: 5330-00-718-7385
FSC: 5330
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating65.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter5.125 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.625 INCHES NOMINAL IN
elongation_percentage250 MAXIMUM
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-718-7385
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 140774 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
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
APERTURE DIAMETER4.625 INCHES NOMINAL IN
OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
ELONGATION PERCENTAGE250 MAXIMUM
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALRUBBER SYNTHETIC OVERALL
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
104503Interchangeable
interchangeable cross-reference
interchangeable
149121Interchangeable
interchangeable cross-reference
interchangeable
1281-3018Interchangeable
interchangeable cross-reference
interchangeable
H57324PC30Interchangeable
interchangeable cross-reference
interchangeable
D8523841REVAPC42Interchangeable
interchangeable cross-reference
interchangeable
AS568-050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 140774?
140774 is a GASKET.
What parts can replace 140774?
There are 8 known substitutes for 140774: 104503, 149121, 1281-3018 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 140774?
140774 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-718-7385. 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