Skip to the beginning of the images gallery

BRENNAN ADAPTER

Description & Features

Constructed from stainless steel, this straight adapter from Brennan Industries connects a 1-7/8-12 Male SAE O-Ring Boss thread to a 1-7/8-12 Female JIC Swivel 37-degree flare thread, with both ends conforming to SAE J514. The NBR O-ring seal provides a reliable, leak-resistant connection suited to demanding hydraulic fluid service environments.

Part of Brennan's 6402-O series, this fitting measures 2.611 inches in overall length, with a hex size of 2.250 inches across flats. Stainless steel construction makes it well-suited for applications where corrosion resistance is a priority. California residents should note that this product carries a Prop 65 warning.

SKU: 6402-24-24-O-SS

Supplier Part Number (MPN): 6402-24-24-O-SS

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 6402-24-24-O-SS	Product Weight 0.73 lbs

Product Questions & Answers (1)

Question by: Roy F on Mar 17, 2026, 9:03 PM

Will this adapter work with standard JIC fittings, or are there special considerations?

Answer by: Customer Support on Mar 19, 2026, 4:36 PM

This straight adapter connects a 1-7/8-12 Male SAE O-Ring Boss thread to a 1-7/8-12 Female JIC Swivel 37-degree flare thread, both conforming to SAE J514 standards. So, yes, it will work with standard JIC fittings meeting that spec.