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Technical Data Sheet
3B4674 ✓ 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: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.062 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.188 INCHES NOMINAL IN, bolt_circle_diameter: 2.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-8319, 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
3B4674
NSN: 5330-00-599-8319
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.062 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.188 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.375 INCHES NOMINAL IN
outside_corner_radius0.344 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.938 INCHES NOMINAL IN
material_document_and_classificationMIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-599-8319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3B4674 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
SIDE RADIUS FROM GASKET CENTER: 0.938 INCHES NOMINAL IN
MATERIAL: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
OUTSIDE CORNER RADIUS: 0.344 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER: 2.375 INCHES NOMINAL IN
APERTURE DIAMETER: 1.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
SIDE RADIUS FROM GASKET CENTER0.938 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
OUTSIDE CORNER RADIUS0.344 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OVERALL WIDTH3.062 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.375 INCHES NOMINAL IN
APERTURE DIAMETER1.188 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
BOLT HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
17358Interchangeable
interchangeable cross-reference
interchangeable
AT15138Interchangeable
interchangeable cross-reference
interchangeable
1950417Interchangeable
interchangeable cross-reference
interchangeable
1B396Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3B4674?
3B4674 is a GASKET.
What parts can replace 3B4674?
There are 4 known substitutes for 3B4674: 17358, AT15138, 1950417 and 1 more. Substitute compatibility should be verified for your specific system.
Is 3B4674 still available?
3B4674 is currently cancelled.
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