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Technical Data Sheet
PartsTable / COMPONENT / 2A2356
2A2356 ✓ 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: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.875 INCHES NOMINAL IN, aperture_width: 2.500 INCHES NOMINAL IN, overall_length: 6.375 INCHES NOMINAL IN, aperture_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-4025, 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
2A2356
NSN: 5330-00-599-4025
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCORK OVERALL
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.875 INCHES NOMINAL IN
aperture_width2.500 INCHES NOMINAL IN
overall_length6.375 INCHES NOMINAL IN
aperture_length5.000 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity4
inside_corner_radius0.250 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-599-4025
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2A2356 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
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 5.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 2.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
APERTURE LENGTH: 5.000 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH5.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH6.375 INCHES NOMINAL IN
APERTURE WIDTH2.500 INCHES NOMINAL IN
OVERALL WIDTH3.875 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
APERTURE LENGTH5.000 INCHES NOMINAL IN
MATERIALCORK OVERALL
INSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
401-0154Interchangeable
interchangeable cross-reference
interchangeable
732-06-037Interchangeable
interchangeable cross-reference
interchangeable
410245-14Interchangeable
interchangeable cross-reference
interchangeable
30344Interchangeable
interchangeable cross-reference
interchangeable
SP111P2 SPEC35542Interchangeable
interchangeable cross-reference
interchangeable
380243Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2A2356?
2A2356 is a GASKET.
What parts can replace 2A2356?
There are 10 known substitutes for 2A2356: 401-0154, 732-06-037, 410245-14 and 7 more. Substitute compatibility should be verified for your specific system.
Is 2A2356 still available?
2A2356 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026