SAE J513 dimensions of reducing connectors, reducing adapters, reducing elbows as follows:
FIGURE 26—REDUCING CONNECTOR (HALF UNION) (01 01 02) (U1 )
FIGURE 27—FUSIBLE REDUCING CONNECTOR (HALF UNION) (1 01 063) (FU)
FIGURE 28—INTERNAL THREAD REDUCING CONNECTOR (HALF UNION) (01 01 03) (U3)
FIGURE 29—INTERNAL FLARE TO EXTERNAL PIPE REDUCING ADAPTER (01 01 06) (U5)
FIGURE 30—90 DEGREE REDUCING ELBOW (01 0202) (E1 )
FIGURE 31 —45 DEGREE REDUCING ELBOW (01 0302) (E5)
FIGURE 32—90 DEGREE INTERNAL PIPE THREAD REDUCING ELBOW (01 0203) (E3)