PartsTable
Technical Data Sheet
401763 ITEM 45 ✓ 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 5331-01-374-2744, 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
401763 ITEM 45
NSN: 5331-01-374-2744
FSC: 5331 — O-RING
CAGE: 38319 — LANTEC INDUSTRIES INC (CAN)
SPECIFICATIONS
Part Number401763 ITEM 45
NSN5331-01-374-2744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 401763 ITEM 45 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 3
60-2110Interchangeable
interchangeable cross-reference
interchangeable
11-346Interchangeable
interchangeable cross-reference
interchangeable
18-2950Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401763 ITEM 45?
401763 ITEM 45 is a O-RING.
What parts can replace 401763 ITEM 45?
There are 3 known substitutes for 401763 ITEM 45: 60-2110, 11-346, 18-2950. Substitute compatibility should be verified for your specific system.
What is the NSN for 401763 ITEM 45?
401763 ITEM 45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-374-2744. This indicates validated use in U.S. government and defense supply chains.
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