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Technical Data Sheet
40645-3 ✓ Verified by PartsTable
Legrand · 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 KIT is a Legrand 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 5330-01-149-4575, 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
40645-3
NSN: 5330-01-149-4575
FSC: 5330
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
Part Number40645-3
ManufacturerLegrand
NSN5330-01-149-4575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40645-3 MFR: Legrand ⚠ 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 2
62006Interchangeable
interchangeable cross-reference
interchangeable
406453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40645-3?
40645-3 is a SEAL KIT manufactured by Legrand.
What parts can replace 40645-3?
There are 2 known substitutes for 40645-3: 62006, 406453. Substitute compatibility should be verified for your specific system.
What is the NSN for 40645-3?
40645-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-149-4575. This indicates validated use in U.S. government and defense supply chains.
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