Thru Hull

NPSM / NPT combination thread
C83600 Bronze

GROCO IBVF Flange Adaptors, bronze/stainless, fix NPT-NPS mismatches, enable safe valve installation, sizes 3/4"–3", ideal for marine applications.

GROCO IBV Series bronze inline valves offer full-flow, PTFE seals, UL fuel/water rating, grease zerk (1-1/4"+), and a ratchet-ready handle for tight spaces.

TruDesign Tails eliminate the corrosion and electrical bonding problems associated with metallic fittings. Tail fittings are designed for twin hose clamps and to never crush.

Perko, Bronze Thru-Hull Fitting.

5/8" Hole 90° Plastic White Thru-Hull Fitting for 5/8" D Hose by Rule Pumps®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind.