03 JIC Tube Nut Stainless

Description & Features

Machined from straight stainless steel, the 03 JIC Tube Nut Stainless is designed for use in hydraulic systems requiring corrosion-resistant fittings at the 37-degree flare connection. The 3/8-24 JIC thread conforms to SAE J514, making it compatible with standard JIC tube assemblies in that size range.

With a hex dimension of 0.438 in. and an overall length of 0.610 in., this tube nut is well suited for compact installations where space is limited. The stainless steel construction offers durability in environments where moisture, chemicals, or temperature variation could degrade carbon steel hardware.

SKU: 0318-03-SS

Supplier Part Number (MPN): 0318-03-SS

Alternate Part Numbers: AJ3N

Specifications

Connection Size 1
3/16 in
Connection Type
JIC
Connection Type 1
SAE 37 deg JIC Flare Tube
Cubic Inch Space L x W x H Dimensions
0.117 cu-in
Dimension Standards
SAE J514
Dimensions
0.61 in L
Fitting Type
Nut
Hex Size
7/16 in
Material
Stainless Steel
Material Construction
316/316L Stainless Steel
Series
0318 Series
Thread B1 Drill Dimensions
0.241 in
Thread Size
3/8-24

Product Questions & Answers (1)

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Question by: Brett T on Feb 7, 2026, 4:54 PM
I need a stainless nut for a hydraulic line. What size wrench fits this thing?
Answer by: Customer Support on Feb 8, 2026, 5:20 PM
This tube nut uses a 0.438 inch hex size.

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