SIN-8611 | Singer Bobbin Case Tension Spring 29K71 HA-46089 screw 662
SIN-NBL-1303 | 417269 | MF01A0245 | NBL / brake spring for "M" Bobbin Case
SIN-8619 -2971-9211 Top Tension Spring for 29K Boot patcher
SIN-52394 | Singer Take Up Spring
SIN-227561 | Singer Foot Lifter Spring
SEI-CS-1422 | Seiko SK2B / Singer 132K6 Tension Spring ( 11422 ) SIN-223438
SIN-82162 | Singer Spring 29K or YH9705