US-43139A | Union-Special screw Nut
US-39557F | Union-Special Nut for Adjusting Screw
SIN-504507 | Singer spring catch screw NUT F/457U
SIN-1747 | Singer ADJ SCREW Nut
MIT-91620045 | Mitsubishi SCREW
BR-105451-001 | BROTHER SCREW
