The Threaded Blind Caps - NH Female with Chain protect unused NH-threaded connections from dirt, debris, moisture, and damage during storage and operation. Manufactured from aircraft-grade 6061-T aluminum, these caps feature a Military Specification Type III hard coat anodized finish for exceptional corrosion and abrasion resistance while remaining lightweight for everyday fire service use.
Each cap includes a durable retaining chain to help prevent loss in the field. Designed for fire hose, hydrants, pumps, standpipes, and other threaded fire protection equipment, these blind caps provide a dependable seal and long service life in demanding municipal firefighting applications.
Features
• NH female threaded blind cap with retaining chain
• Aircraft-grade 6061-T aluminum construction
• Military Specification Type III hard coat anodized finish
• Corrosion and abrasion resistant for extended service life
• Includes retaining chain to help prevent loss
• Protects unused threaded connections from dirt, debris, and damage
• Lightweight, durable design for municipal fire service applications
• Available in sizes from 1" through 6"
Available Sizes
• 1" NH Female Cap with Chain
• 1.5" NH Female Cap with Chain
• 2" NH Female Cap with Chain
• 2.5" NH Female Cap with Chain
• 3" NH Female Cap with Chain
• 3.5" NH Female Cap with Chain
• 4" NH Female Cap with Chain
• 4.5" NH Female Cap with Chain
• 5" NH Female Cap with Chain
• 6" NH Female Cap with Chain
Specifications
• Manufacturer: Harrington
• Product Type: Threaded Blind Cap
• Connection Type: NH Female
• Thread Type: NH (National Hose)
• Material: Aircraft-Grade 6061-T Aluminum
• Finish: Type III Hard Coat Anodized
• Chain: Retaining Chain Included
• Available Sizes: 1", 1.5", 2", 2.5", 3", 3.5", 4", 4.5", 5", and 6"
• Application: Protecting unused fire hose, hydrant, pump, standpipe, and apparatus threaded connections
