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AT219503 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AT219503: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-474-9264, 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
AT219503
NSN: 5331-01-474-9264
FSC: 5331 — O-ring
CAGE: 1J955 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY DIV DIRECT GOVERNMENTAL SALES (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LOGISTICS LIFETIME SUPPORT(CRLS),HYDRAULIC EXCAVATOR TYPE 3 (HYEX)(MODEL 330 LCR HX3),NSN 3805-01-463-0805,TM5-3805-281-24P
NSN5331-01-474-9264
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AT219503 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
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT(CRLS),HYDRAULIC EXCAVATOR TYPE 3 (HYEX)(MODEL 330 LCR HX3),NSN 3805-01-463-0805,TM5-3805-281-24P
SUBSTITUTES & CROSS-REFERENCES 1
4366544Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AT219503?
AT219503 is a O-RING.
What parts can replace AT219503?
There is 1 known substitute for AT219503: 4366544. Substitute compatibility should be verified for your specific system.
What is the NSN for AT219503?
AT219503 is cataloged in the U.S. Government catalog under NSN 5331-01-474-9264. This indicates validated use in U.S. government and defense supply chains.
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