Marine-grade Nakajima (JIS pattern) coupling in solid brass, size 50A (2"), for reliable fire hose and hydrant connections. Precision‑machined lugs enable quick quarter‑turn engagement and a secure, leak‑tight seal. Compatible with JIS 50A hose systems; supplied with durable NBR gasket. Available configurations include male, female, hose tail, and blank cap/plug for versatile installations. Smooth, full‑flow passage minimizes pressure loss; knurled/grip-friendly profile supports fast coupling with gloves. Natural brass corrosion-resistant finish; each unit inspected for dimensional accuracy and leak integrity.
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