Vacuum Cups and Suction Cups Vacuum Cup Fittings – Female-to-Male Connection Adapters Part No. HS12-12M-G Part No. Description A Male Connection Thread B Female Connection Thread H in. (mm) L in. (mm) SW (Hex) Fitting Material Item Weight oz. (grams) HS12-12M-G Adapter, G 1/2″ – male to 1/2″ NPT – female G1/2″ 1/2′ NPT 0.52 (13) 1.70 (43) 1.12 (28) Nickel-Plated Brass with Sealing Washer 1.446 (41) The “G” thread is also known as BSPP, commonly used world-wide for Vacuum Applications. Zinc-Plated Steel with Sealing Washer
