Features and Benefits: NPT: 1/4" national pipe thread.; USE: To replace old or damaged drain cocks on compressor tanks.; DURABLE: Brass body and steel handle.; RELEASE: Air from tanks before replacing drain cock. Turn handle to drain water. Close when water is drained.; OTHER SIZES OFFERED: Milton also offers drain cocks in 1/2", 1/8", and 3/8" NPT sizes.; Milton (S-614-4) 1/4" NPT Brass Compressor Tank Drain CockThis 1/4" NPT drain cock is a replacement part for old or damaged drain cocks on compressor tanks. Turn handle to drain water, close drain cock when water is drained. Always release air from tanks before replacing drain cock. Drain cock body is brass, handle is steel.Milton Industries also offers these drain cock sizes:#614-2: 1/8" NPT drain cock#614-6: 3/8" NPT drain cock#614-8: 1/2" NPT drain cock