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PartsTable / COMPONENT / 203028
203028 ✓ 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 RING OIL SEAL is a the manufacturer industrial component. Key specifications include material: PAPER, design_type: FRICTION, overall_diameter: 2.880 INCHES NOMINAL IN, inside_diameter_length: 1.500 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, tube_outside_diameter_for_which_designed: 2.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-534-0169, 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
203028
NSN: 5330-00-534-0169
FSC: 5330
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialPAPER
design_typeFRICTION
overall_diameter2.880 INCHES NOMINAL IN
inside_diameter_length1.500 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed2.750 INCHES NOMINAL IN
NSN5330-00-534-0169
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 203028 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
P1062Interchangeable
interchangeable cross-reference
interchangeable
B183326Interchangeable
interchangeable cross-reference
interchangeable
608762Interchangeable
interchangeable cross-reference
interchangeable
203028Interchangeable
interchangeable cross-reference
interchangeable
6283001Interchangeable
interchangeable cross-reference
interchangeable
P1062EGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203028?
203028 is a RING OIL SEAL.
What parts can replace 203028?
There are 18 known substitutes for 203028: P1062, B183326, 608762 and 15 more. Substitute compatibility should be verified for your specific system.
Is 203028 still available?
203028 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