PartsTable
Technical Data Sheet
PartsTable / O-RING / 2-114B318-70
2-114B318-70 ✓ 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. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 0.818 INCHES NOMINAL IN, center_hole_diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-129-9842, 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
2-114B318-70
NSN: 5331-01-129-9842
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter0.818 INCHES NOMINAL IN
center_hole_diameter0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-01-129-9842
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-114B318-70 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
KEY FEATURES
•
OUTSIDE DIAMETER: 0.818 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.818 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
D-WK-492-A43 ITEM 14-22Interchangeable
interchangeable cross-reference
interchangeable
FF-101-0 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
N0674 2-114Interchangeable
interchangeable cross-reference
interchangeable
2-114C557-70Interchangeable
interchangeable cross-reference
interchangeable
200-809P3Interchangeable
interchangeable cross-reference
interchangeable
5012-73Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-114B318-70?
2-114B318-70 is a O-RING.
What parts can replace 2-114B318-70?
There are 22 known substitutes for 2-114B318-70: D-WK-492-A43 ITEM 14-22, FF-101-0 ITEM 14, N0674 2-114 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-114B318-70?
2-114B318-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-129-9842. 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