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18MM METRIC BONDED SEAL

Description & Features

Designed for use with size 18 metric threads, this bonded seal combines a steel washer with a 90 durometer NBR sealing element to create a reliable face seal on male metric hydraulic fittings and ports. Conforming to ISO 9974, it is suited for applications requiring a leak-free seal at threaded metric connections in hydraulic systems.

The 18mm Metric Bonded Seal features an inner diameter of 14.76 mm and an outer diameter of 26.0 mm, with the NBR compound providing resistance to petroleum-based fluids commonly encountered in hydraulic circuits. The straight steel washer construction and compact form factor make it a practical sealing solution across a wide range of industrial hydraulic equipment. Manufactured by Brennan Industries under their 8800 Series. California residents should note this product is subject to Prop 65 warnings.

SKU: 8800-18

Supplier Part Number (MPN): 8800-18

Specifications

Brand Brennan Industries Inc	Brand Brennan Industries	Pack Size 1.00	UOM EA	Supplier Part Number 8800-18	Product Weight 0.99 lbs

Product Questions & Answers (1)

Question by: Brett F on Aug 11, 2025, 8:18 PM

What size threads does this seal work with? Just wanna make sure I'm gettin' the right thing for my metric fittings.

Answer by: Customer Support on Aug 13, 2025, 5:43 PM

This bonded seal is made for size 18 metric threads. It fits male metric hydraulic fittings and ports.