PartsTable
Technical Data Sheet
PartsTable / O-RING / 710018-51
710018-51 ✓ 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 5331-01-424-3748, 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
710018-51
NSN: 5331-01-424-3748
FSC: 5331 — O-RING
CAGE: F9758 — SLCE WATERMAKERS (FRA)
SPECIFICATIONS
Part Number710018-51
NSN5331-01-424-3748
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 710018-51 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 10
MS51069RC53-2Interchangeable
interchangeable cross-reference
interchangeable
MS51069RC538-2Interchangeable
interchangeable cross-reference
interchangeable
28533Interchangeable
interchangeable cross-reference
interchangeable
555-3/4Interchangeable
interchangeable cross-reference
interchangeable
55182Interchangeable
interchangeable cross-reference
interchangeable
5254-0750Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 710018-51?
710018-51 is a O-RING.
What parts can replace 710018-51?
There are 10 known substitutes for 710018-51: MS51069RC53-2, MS51069RC538-2, 28533 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 710018-51?
710018-51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-424-3748. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026