1109490 | MLM-127C-073-CNY-0LH (Each) --- Levelling Studded Mounts - 1/2-13 UNC - 12.7mm - 39.1x18.3 mm Light Duty - Steel Mount 12.7x19.05x5.159 5 mm External Retaining Rings

5 mm External Retaining Rings - Carbon Spring Steel - Sold Per 10:

Inner Ring OD (Fw): 20

Brand: SSA

000mm GT Series - Carbon Steel

Clearance in Groove (C1): 53

1109490 | MLM-127C-073-CNY-0LH (Each) --- Levelling Studded Mounts - 1/2-13 UNC - 12.7mm - 39.1x18.3 mm Light Duty - Steel Mount 12.7x19.05x5.159 5 mm External Retaining Rings1 2 13 UNC (12. 7mm) 39. 1x18. 3 mm Levelling Studded Mounts Steel Sold Per Each: Base Category: Mounts Levelling Studded Top Level Category: Mounts Levelling Studded Light Duty Nylon No Lag Holes Product Details Thread Size (A): 1 2 13 UNC (12. 7mm) Steel Thread Size (A): 1 2 13 UNC (12. 7mm) Base Diameter (D): 39. 1mm (39. 1mm is 1. 539 in.) Foot Height (C): 18. 3mm (18. 3mm is 0. 72 in.) Thread Length (F): 73. 2mm Base Height (E): 18. 2mm Overall