SAE J513 dimensions of reducing unions, adapters, reducing elbow union as follows:

FIGURE 21 —REDUCING UNION(01 01 01 ) (UR2)
FIGURE 22—INTERNAL FLARE TO EXTERNAL FLARE REDUCING ADAPTOR(1 01 01 05) (RO3)
FIGURE 23—90 DEGREE REDUCING ELBOW UNION(01 0201 ) (ER2)










