Law Supply, Inc.
Web Page - Nuts
Oxygen
Fuel Gas
Part No.
Size
Internal Thread
N10
Oxygen Aircraft "A"
3/8"-24-RH
N11
Fuel Gas Aircraft "A"
3/8"-24-LH
N20
Oxygen Standard "B"
9/16"-18-RH
N21
Fuel Gas Standard "B"
9/16"-18-LH