Guaranteed to fit Brother sewing machine models:
834DP, 9700LD, B430EE, BAS-311A, BAS-610, BAS-611, BAS-612, BAS-6150, BAS-620, BAS-622, BAS-705, BAS-750, BAS-761, BES-1240BC, BES-1241BC, BES-940BC, BES-941BC, DB2-B736, DA-9270, DA-9280, DA-2610, DB-2610-00DM-3M1, DB-2810, DB2-B721, DB2-B722, DB2-B791, DB2-B7910, DB2-DD7100, DB3-B775, DB3-B776, DT3-B291, DT4-B261, DT4-B266, DT4-B281, DT6-B926, DT6-B927, DT6-B928, DT4-B281, EF4-B641/ABL1, EF4-B641/ABL3, EF4-B641, EF4-B651, EF4-N21, EF4-V41, EF4-V41A, EF4-V51, EF4-V51A, EF4-V71, EF4-V72, EF4-V81, EF4-V82, EF4-B511, FA-V71A, FA-V72A, FA-V81A, FA-V82A, FA-V91A, FA-V92A, FB-V41A, FB-V51A, FB-V61A, FD3-B251, FD3-B252, FD3-B256, FD3-B257, FD4-B276, FD4-B277, LH4-B814 Mark II, LS3-C51, LS3-C53, LS5-P11, LS5-P62, LS5-P81, LH4-B817, LK3-B430, LZ2-B855E, LZ2-B856E, MA4-B551, MA4-V61, Overlock EF4-B531, PL-1500, PL-2100, BAS-326, BAS-326A, BAS-326EL, BAS-326LA, BAS-341, BAS-341A, BAS-342A, BAS-343E, LH4-B815A, LH4-B816, LK3-B434E, LK3-B438, LK3-B438E, DB2-B737 Mark II, DB2-B771, DB2-B772, DB2-B773, DB2-B774, DB2-B7740, LT2-B845, LT2-B848, LT2-B8450, LT2-B8480, LT2-B872, LT5-P13, LT5-P64, LT5-P73, LT2-B842 Mark II, LT2-B847 Mark II, MA4-N31, MA4-V61A, MA4-V91, MA4-V92, SL-710A

Guaranteed to fit Singer sewing machine models:
842U

Guaranteed to fit Viking sewing machine models:
1000 Serger, 1002, 435C Serger, 535C Serger, 560 Serger, 560ED Serger, 560EDT Serger, Huskylock 234D, 1003LCD, Huskylock M330, Huskylock M360, Huskylock M360D, Huskylock M435, Huskylock M435D, Huskylock M460, Huskylock M460D, Huskylock M460T, Huskylock M535, Huskylock M535D, Huskylock M560D, Huskylock M560DT, Huskylock M560T

Alternate Part Numbers: 147060001, S51282101