The most in-stock parts on the planet — all OEM, all the time
Cool technology to make finding and buying parts a breeze, including Serial Number Lookup, PartSPIN® and Smart Manuals, found on partstown.com and our industry-leading mobile app
An exceptional customer experience from the team you know and trust with every email, live chat, text and phone call, provided by a friendly and knowledgeable team
Later hours than anyone else — offering support and shipping all in-stock orders until 9PM ET

We will be closed Monday, May 25, for Memorial Day, but you can still shop real OEM parts online and on the app 24/7. We’ll be back Tuesday, May 26.

Enter keyword or Part #

Unic NA-18A Brass Nut, 3/8, 4mm

Obsolete UNCNA-18A has been replaced by: UNCNA18A

Drag to spin

Manufacturer:

Unic

Manufacturer #:

NA-18A

Parts Town #:

UNCNA-18A

Replaced by PT #:

UNCNA18A

Units:

Each

Fits Models:

Unic NA-18A Genuine OEM Replacement Part

BRASS NUT - 3/8 BSP H:4MM

Required fields.

Card Label

Expiration Date

Billing Address

First Name

Last Name

Address Line

Apt or Suite Number

City

Country/Region

State/Province

Zip/Postal Code