Imperial Adapter Straight to Tube P/N 100759 THREAD CLASS 2A 1ST END CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL PIPE 2ND END NOMINAL THREAD SIZE 0.562 INCHES 1ST END 0.250 INCHES 2ND END SEAT NOMINAL RADIUS 0.062 INCHES 1ST END NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END NOMINAL OVERALL LENGTH 1.140 INCHES MATERIAL COPPER ALLOY 360 OR COPPER ALLOY OVERALL MATERIAL DOCUMENT AND CLASSIFICATION SAE CA360 ASSN STD SINGLE MATERIAL RESPONSE OVERALL MEDIA FOR WHICH DESIGNED FLUID 1ST RESPONSE AIR 2ND RESPONSE THREAD SERIES DESIGNATOR UNEF 1ST END NPT 2ND END