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Technical Data Sheet
PartsTable / COMPONENT / 2B7111
2B7111 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 37.0 DEGREES NOMINAL, material: CORK OVERALL, peripheral_diameter: 1.375 INCHES NOMINAL IN, center_hole_diameter: 0.875 INCHES NOMINAL IN, cross-sectional_height: 0.750 INCHES NOMINAL IN, cross-sectional_shape_style: ANGLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-247-5993, 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
2B7111
NSN: 5330-00-247-5993
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
angle37.0 DEGREES NOMINAL
materialCORK OVERALL
peripheral_diameter1.375 INCHES NOMINAL IN
center_hole_diameter0.875 INCHES NOMINAL IN
cross-sectional_height0.750 INCHES NOMINAL IN
cross-sectional_shape_styleANGLE
NSN5330-00-247-5993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2B7111 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
•
ANGLE: 37.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 1.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ANGLE
•
CROSS-SECTIONAL HEIGHT: 0.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
ANGLE37.0 DEGREES NOMINAL
PERIPHERAL DIAMETER1.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEANGLE
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.875 INCHES NOMINAL IN
MATERIALCORK OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
34400Interchangeable
interchangeable cross-reference
interchangeable
Y225Interchangeable
interchangeable cross-reference
interchangeable
344Interchangeable
interchangeable cross-reference
interchangeable
257129Interchangeable
interchangeable cross-reference
interchangeable
6131Interchangeable
interchangeable cross-reference
interchangeable
SS-1JKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2B7111?
2B7111 is a PACKING,PREFORMED.
What parts can replace 2B7111?
There are 11 known substitutes for 2B7111: 34400, Y225, 344 and 8 more. Substitute compatibility should be verified for your specific system.
Is 2B7111 still available?
2B7111 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