PartsTable
Technical Data Sheet
RAR3018 ✓ 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 5331-01-373-1499, 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
RAR3018
NSN: 5331-01-373-1499
FSC: 5331 — O-RING
CAGE: F3015 — NAVAL GROUP SITE DE LORIENT (FRA)
SPECIFICATIONS
Part NumberRAR3018
NSN5331-01-373-1499
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RAR3018 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 15
210Interchangeable
interchangeable cross-reference
interchangeable
53Interchangeable
interchangeable cross-reference
interchangeable
140-1/4Interchangeable
interchangeable cross-reference
interchangeable
DPR410-4Interchangeable
interchangeable cross-reference
interchangeable
W140-4Interchangeable
interchangeable cross-reference
interchangeable
993340-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy RAR3018?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is RAR3018?
RAR3018 is a O-RING.
What parts can replace RAR3018?
There are 15 known substitutes for RAR3018: 210, 53, 140-1/4 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RAR3018?
RAR3018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-373-1499. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — RAR3018