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Technical Data Sheet
PartsTable / COMPONENT / 9B1545
9B1545 ✓ 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 AND RUBBER SYNTHETIC AND COTTON OVERALL, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.641 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-6658, 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
9B1545
NSN: 5330-00-291-6658
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCELLULOSE AND RUBBER SYNTHETIC AND COTTON OVERALL
outside_diameter1.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.641 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-291-6658
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9B1545 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: 1.875 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE AND RUBBER SYNTHETIC AND COTTON OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.641 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
MATERIALCELLULOSE AND RUBBER SYNTHETIC AND COTTON OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER1.641 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
W2-F-009 ITEM 34Interchangeable
interchangeable cross-reference
interchangeable
W2-F-009-34Interchangeable
interchangeable cross-reference
interchangeable
6207ARSInterchangeable
interchangeable cross-reference
interchangeable
5-4-659Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-43182Interchangeable
interchangeable cross-reference
interchangeable
33356Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9B1545?
9B1545 is a GASKET.
What parts can replace 9B1545?
There are 25 known substitutes for 9B1545: W2-F-009 ITEM 34, W2-F-009-34, 6207ARS and 22 more. Substitute compatibility should be verified for your specific system.
Is 9B1545 still available?
9B1545 is currently cancelled.
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Last verified: July 2026