Aluminum 4 1/2" NH to 4" NH Double Female Female Threads_NPT National Stock Number (NSN 4210-01-081-8751)

National Stock Number (NSN 4210-01-081-8751)

Month and year

The rubber lining is a single-ply extruded tube of synthetic EPDM compounded to resist ozone

Baked red enamel finish

Stores hose up to 2 1/2 inches only

Aluminum 4 1/2" NH to 4" NH Double Female Female Threads_NPT National Stock Number (NSN 4210-01-081-8751)Aluminum adapters are fabricated from seamless extruded 6061 T6 aluminum and hard coat anodized per MIL A 8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Adapters and components meet the requirements of NFPA 1963. A double swivel adapter will not swivel or rotate once both ends are tightened to the male connections. The Safe Water Drinking