Comparison : Item # 1317-10-074, 3/16" Tube O.D. (3/8-24 Thread) Flared Cap SAE 45 Degree Flare Brass
Item # 1317-10-075, 1/4" Tube O.D. (7/16-20 Thread) Flared Cap SAE 45 Degree Flare Brass
Item # 1317-10-076, 5/16" Tube O.D. (1/2-20 Thread) Flared Cap SAE 45 Degree Flare Brass
Item # 1317-10-077, 3/8" Tube O.D. (5/8-18 Thread) Flared Cap SAE 45 Degree Flare Brass
Item # 1317-10-078, 1/2" Tube O.D. (3/4-16 Thread) Flared Cap SAE 45 Degree Flare Brass