5818, 5820, 5825, 5830, 5838, 5910, 6200, 6210, 6211, 6212, 6214. Spool Cap (Small), Singer #507664-454. SMALL SPOOL CAP/STOPPER. Singer Sewing Machine Models GENUINE SINGER PART. Other Part Numbers Include 179967-463 & 507664-467.
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