Shop 0318 JIC Tube Nuts

SAE 070110

Our Series 0318 JIC Tube Nuts, made from carbon steel, are essential components for creating secure and leak-proof connections in hydraulic and pneumatic systems. These nuts are specifically designed to pair with JIC (Joint Industry Council) fittings, which are known for their 37-degree flare seating. When used with JIC tube fittings, the nuts securely fasten the tube to the fitting, creating a tight seal that prevents fluid leakage. Carbon steel construction ensures durability and strength, making these tube nuts ideal for high-pressure applications where reliability is critical. With their robust design and corrosion resistance, Series 0318 JIC Tube Nuts provide lasting performance in demanding fluid power systems.

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Tube Nuts

1/8" to 2.5" Nominal Tube OD

Carbon Steel

Click HERE to view the entire 0318 Carbon Steel JIC Tube Nut Selection

Click HERE to view the entire 0318-SS Stainless Steel JIC Tube Nut Selection

Click HERE to view the entire 0318-B Brass JIC Tube Nut Selection

Shop 0318 JIC Tube Nuts, Carbon Steel

Click on the model number in the chart below to view that adapter.

Need Stainless Steel? Click HERE for our Stainless 0318-SS Series Adapters. All adapters may not be available in stainless.


Product SKU Brand Material Female JIC Tube Nut Threads Lead Time Price
0318-02 OneHydraulics Steel 5/16-24 (-02) 1-3 Days $1.41
0318-03 OneHydraulics Steel 3/8-24 (-03) 1-3 Days $1.25
0318-04 OneHydraulics Steel 7/16-20 (-04) Same Day $0.94
0318-05 OneHydraulics Steel 1/2-20 (-05) 1-3 Days $1.28
0318-06 OneHydraulics Steel 9/16-18 (-06) Same Day $1.14
0318-08 OneHydraulics Steel 3/4-16 (-08) Same Day $1.76
0318-10 OneHydraulics Steel 7/8-14 (-10) 1-3 Days $1.94
0318-12 OneHydraulics Steel 1-1/16-12 (-12) Same Day $3.06
0318-14 OneHydraulics Steel 1-3/16-12 (-14) 1-3 Days $5.55
0318-16 OneHydraulics Steel 1-5/16-12 (-16) 1-3 Days $4.33
0318-20 OneHydraulics Steel 1-5/8-12 (-20) 1-3 Days $5.87
0318-24 OneHydraulics Steel 1-7/8-12 (-24) 1-3 Days $6.85
0318-32 OneHydraulics Steel 2-1/2-12 (-32) 1-3 Days $16.78
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Items in this collection are equivalent or similar to Series Aeroquip 1290, Dayco 318, Flodar A18, Form Rite 37, Gates TSN, Imperial 841-FS, L&L 37-15A, 

Lenz 3205, Parker Tube BTX, Parker Hose 06B, SSP IN, Strato Flex 1253, Trident 1311, United Tech 818, Weatherhead C5105.

See the chart below for additional Dimensional Detail & Pressure Ratings




Still need help? Give us a call at 281.941.2310 or email us at sales@onehydraulics.com for technical support.