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Technical Data Sheet
02261-0280-39 ✓ 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 is a the manufacturer industrial component. Key specifications include material: STEEL INTERNALLY MOLDED-IN REINFORCEMENT, seal_width: 0.250 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, construction: SOLID, housing_bore_diameter: 1.874 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.125 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 5330-00-492-0574, 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
02261-0280-39
NSN: 5330-00-492-0574
FSC: 5330
CAGE: 79343 — ASRC FEDERAL FACILITIES LOGISTICS, LLC (USA)
SPECIFICATIONS
materialSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
seal_width0.250 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
constructionSOLID
housing_bore_diameter1.874 INCHES NOMINAL IN
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-492-0574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 02261-0280-39 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: SINGLE LIP
SEAL WIDTH: 0.250 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER: 1.874 INCHES NOMINAL IN
CONSTRUCTION: SOLID
TEMP RATING: -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
SEAL WIDTH0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL INTERNALLY MOLDED-IN REINFORCEMENT
HOUSING BORE DIAMETER1.874 INCHES NOMINAL IN
CONSTRUCTIONSOLID
TEMP RATING-40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
01-01481-000Interchangeable
interchangeable cross-reference
interchangeable
64320Interchangeable
interchangeable cross-reference
interchangeable
64020Interchangeable
MicroSaver
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 02261-0280-39?
02261-0280-39 is a SEAL,PLAIN.
What parts can replace 02261-0280-39?
There are 3 known substitutes for 02261-0280-39: 01-01481-000, 64320, 64020. Substitute compatibility should be verified for your specific system.
What is the NSN for 02261-0280-39?
02261-0280-39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-492-0574. This indicates validated use in U.S. government and defense supply chains.
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