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Technical Data Sheet
PartsTable / COMPONENT / 7B4910
7B4910 ✓ 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: CELLULOSE OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.750 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.500 INCHES NOMINAL IN, bolt_circle_diameter: 2.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-248-2177, 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
7B4910
NSN: 5330-00-248-2177
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.750 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.500 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.125 INCHES NOMINAL IN
outside_corner_radius0.312 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.000 INCHES NOMINAL IN
NSN5330-00-248-2177
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7B4910 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: 1.000 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT HOLE QUANTITY: 2
•
APERTURE DIAMETER: 1.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
SIDE RADIUS FROM GASKET CENTER1.000 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.125 INCHES NOMINAL IN
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT HOLE QUANTITY2
APERTURE DIAMETER1.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OVERALL WIDTH2.750 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
OUTSIDE CORNER RADIUS0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
C12117Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
200 19/64Interchangeable
interchangeable cross-reference
interchangeable
5352637Interchangeable
interchangeable cross-reference
interchangeable
25075Interchangeable
interchangeable cross-reference
interchangeable
1060BU15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7B4910?
7B4910 is a GASKET.
What parts can replace 7B4910?
There are 12 known substitutes for 7B4910: C12117, B94.11M, 200 19/64 and 9 more. Substitute compatibility should be verified for your specific system.
Is 7B4910 still available?
7B4910 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