Aluminum 1 1/2" NH to 1 1/2" NPT Double Female Threads_NPSH light weight wrench used to BHW Female Threads_NPSH Model:3158 (6.0 TPI x 3.623 OD) 50PF100YL HFX50X100Y50S or RC50

light weight wrench used to tighten and loosen larger size fire hose couplers

(New York Fire Department/Fire Department of New York)

The resilient 3/8 inch diameter white laminar matrix fiberglass shaft is attached to a heavy duty MIL SPEC zinc plated carbon steel spring mount that allows for 360° total flexibility

Subpart C - Fire Main System

Aluminum 1 1 2" NH to 1 1 2" NPT Double Female Threads_NPSH light weight wrench used to BHW Female Threads_NPSH Model:3158 (6.0 TPI x 3.623 OD) 50PF100YL HFX50X100Y50S or RC50 light weight wrench used to tighten and loosen larger size fire hose couplers (New York Fire Department Fire Department of New York)