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Technical Data Sheet
286521C11 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, seal_width: 0.750 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 1.025 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-374-9444, 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
286521C11
NSN: 5330-00-374-9444
FSC: 5330
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
seal_width0.750 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter1.025 INCHES NOMINAL IN
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-374-9444
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 286521C11 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
MATERIAL: STEEL SPRING
CONSTRUCTION: SOLID
SEAL WIDTH: 0.750 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
HOUSING BORE DIAMETER: 1.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL SPRING
CONSTRUCTIONSOLID
SEAL WIDTH0.750 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER1.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
HOUSING BORE DIAMETER1.025 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
352250010124Interchangeable
interchangeable cross-reference
interchangeable
1N3600A29Interchangeable
interchangeable cross-reference
interchangeable
947179-6000Interchangeable
interchangeable cross-reference
interchangeable
76616R11Interchangeable
Same NIIN cross-reference
interchangeable
35584Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 286521C11?
286521C11 is a SEAL,PLAIN.
What parts can replace 286521C11?
There are 5 known substitutes for 286521C11: 352250010124, 1N3600A29, 947179-6000 and 2 more. Substitute compatibility should be verified for your specific system.
Is 286521C11 still available?
286521C11 is currently cancelled.
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