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Technical Data Sheet
AT218141 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-475-0374, 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
AT218141
NSN: 5330-01-475-0374
FSC: 5330
CAGE: 1QME2 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
NSN5330-01-475-0374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AT218141 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCONTRACTOR LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
4400.087Interchangeable
interchangeable cross-reference
interchangeable
ED0044001410-SInterchangeable
interchangeable cross-reference
interchangeable
4400087Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT218141?
AT218141 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace AT218141?
There are 3 known substitutes for AT218141: 4400.087, ED0044001410-S, 4400087. Substitute compatibility should be verified for your specific system.
What is the NSN for AT218141?
AT218141 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-475-0374. This indicates validated use in U.S. government and defense supply chains.
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