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PartsTable / COMPONENT / A43774X
A43774X ✓ 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: PAPER OVERALL, outside_diameter: 2.109 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.812 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-429-0680, 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
A43774X
NSN: 5330-00-429-0680
FSC: 5330
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialPAPER OVERALL
outside_diameter2.109 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.812 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-429-0680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A43774X 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
•
OUTSIDE DIAMETER: 2.109 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
•
APERTURE DIAMETER: 1.812 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.109 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIALPAPER OVERALL
APERTURE DIAMETER1.812 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
6231Interchangeable
interchangeable cross-reference
interchangeable
C4391-6-35-T9AInterchangeable
interchangeable cross-reference
interchangeable
4391-6-35-T9AInterchangeable
interchangeable cross-reference
interchangeable
4391-6-35Interchangeable
interchangeable cross-reference
interchangeable
26-187Interchangeable
interchangeable cross-reference
interchangeable
450023Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A43774X?
A43774X is a GASKET.
What parts can replace A43774X?
There are 28 known substitutes for A43774X: 6231, C4391-6-35-T9A, 4391-6-35-T9A and 25 more. Substitute compatibility should be verified for your specific system.
Is A43774X still available?
A43774X is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026