PartsTable
Technical Data Sheet
T81526 ✓ 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 O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-363-2665, 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
T81526
NSN: 5331-01-363-2665
FSC: 5331 — O-RING
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
Part NumberT81526
NSN5331-01-363-2665
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T81526 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 14
PKN-700-3Interchangeable
interchangeable cross-reference
interchangeable
116-1002-00Interchangeable
interchangeable cross-reference
interchangeable
602-10Interchangeable
interchangeable cross-reference
interchangeable
10-142Interchangeable
interchangeable cross-reference
interchangeable
10-142ACInterchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T81526?
T81526 is a O-RING.
What parts can replace T81526?
There are 14 known substitutes for T81526: PKN-700-3, 116-1002-00, 602-10 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T81526?
T81526 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-363-2665. This indicates validated use in U.S. government and defense supply chains.
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