Ordering Description Product number Description: Tweco FC26 Series 24FC-275 Nozzle (450A, 1-1/2) Product number: 1261-1027 Description: Tweco FC26 Series 24FC-150 Nozzle (450A, 3/4) Product number: 1261-1026 Description: Tweco FC26 Series 24FC-P Nozzle (450A, Thread Protector) Product number: 1261-1025