NH plug with chain is used to protect female thread on fire department connection inlet, and to prevent entry of foreign matter and debris. A chain is included to avoid loss of the plug.
|Size||Plug with chain||Male thread||Ref. No.|
|1-1/2″||Pin lug / rocker lug||1-1/2″ NH||F6711|
|2-1/2″||Pin lug / rocker lug||2-1/2″ NH||F6712|
|2-1/2″||Pin lug / rocker lug||2-1/2″ NH||F6713|