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20BULKHEAD LOCK NUT

Description & Features

This bulkhead lock nut is part of the FS0306 series from Brennan Industries. Featuring a 1 11/16-12 A thread, this component ensures a secure connection. Its 2.000-inch B Hex provides ample grip during installation, while the 0.41-inch Tt Width ensures a flush fit.

Designed for use with 1-1/4 inch OD tubing, this 20BULKHEAD LOCK NUT offers reliable performance in demanding hydraulic applications. This male fitting ensures a tight, leak-free seal.

SKU: FS0306-20

Supplier Part Number (MPN): FS0306-20

Alternate Part Numbers: AFF9768-20S, FF0306-20

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number FS0306-20	Product Weight 0.99 lbs

Product Questions & Answers (1)

Question by: Ray H on Jan 23, 2026, 8:54 PM

Hey, will this lock nut work with a 1 1/4 inch OD tube? Just wanna make sure I'm gettin' the right size.

Answer by: Customer Support on Jan 25, 2026, 4:09 PM

This bulkhead lock nut is specifically designed for use with 1-1/4 inch OD tubing, so it should be a good fit for your application.