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Technical Data Sheet
PartsTable / COMPONENT / 0203549
0203549 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 2.627 INCHES NOMINAL IN, housing_bore_diameter: 2.623 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-855-5261, 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
0203549
NSN: 5330-00-855-5261
FSC: 5330
CAGE: 20076 — TITAN WHEEL CORPORATION OF ILLINOIS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter2.627 INCHES NOMINAL IN
housing_bore_diameter2.623 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-855-5261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0203549 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
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 1.500 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 2.627 INCHES NOMINAL IN
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER1.500 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MATERIALSTEEL CASE
OUTSIDE DIAMETER2.627 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.623 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
81515-20Interchangeable
interchangeable cross-reference
interchangeable
15190Interchangeable
interchangeable cross-reference
interchangeable
M81969/16-01 TY3CL1CPBInterchangeable
interchangeable cross-reference
interchangeable
P45081Interchangeable
interchangeable cross-reference
interchangeable
4730002546228Interchangeable
interchangeable cross-reference
interchangeable
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0203549?
0203549 is a SEAL,PLAIN ENCASED.
What parts can replace 0203549?
There are 15 known substitutes for 0203549: 81515-20, 15190, M81969/16-01 TY3CL1CPB and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0203549?
0203549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-855-5261. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026