Lincoln OEM Brush Holder Stud Insulator (9SS13721-1 / S13721-1)

This is an OEM Lincoln brush holder stud insulator. Used in the following welders:

Classic 300D (Kubota), machine codes: 11547, 11642, 11643
Classic 300D (Kubota, WFM), machine codes: 11548
Classic 300D (Perkins), machine codes: 11110, 11248, 11280, 11411, 11472, 11545, 11572, 11573, 11640, 11641, 11809, 11915
Classic 300D WFM (Perkins), machine codes: 11111, 11249, 11281, 11412, 11473, 11546
Classic 300G, machine codes: 10659, 19012, 11135
Classic I (TM27), machine codes: 10068, 10069
Classic III (TM27), machine codes: 10072, 10033
Classic IIID (TM27), machine codes: 10061, 10156
Pipeliner 200G, machine codes: 10660, 10913, 11136
SA-250 (Perkins 3.152), machine codes: 10073
SA-350 (Perkins 3.152), machine codes: 10074
SAE-300 Cont F-244, machine codes: 3275, 3276, 3277, 4002, 3546, 3547, 3550, 3665, 3796
SAE-300 Cont F-227, machine codes: 7747, 8441, 8716
SAE-300 Herc QXLD3, machine codes: 3543, 3544, 3831, 4754, 4910, 5059
SAE-300 Cont F-226, machine codes: 5459, 5207, 5208, 5209, 5562, 6144, 6414, 6890, 6891, 7237, 4636, 4876, 5045