US-39544Z | Union-Special Bushing was 39544-L 39544-X
US-39549/T | Union-Special Knife (Iower)
US-39549GEN | Union-Special LOWER KNIFE SGL NEEDLE
US-39549J | Union-Special Knife (lower wide) was 39549-K
US-39549K | Union-Special Knife Lower
US-39550AA | Union-Special Knife lower clamp
US-39550AC | Union-Special Knife guide
US-39550AD | Union-Special Lower Knife holder
US-39550AE | Union-Special Knife Spring
US-39550B | Union-Special Lower Knife holder
US-39550C | Union-Special locking Stud F/39500
US-39550E | Union-Special Lower Knife holder spring
US-39550F | Union-Special Knife Holder
US-39550K | Union-Special Cover
US-39550M | Union-Special Knife Clamp Spring
US-39550T | Union-Special Lower Knife Holder
US-39550U | Union-Special Lower Knife Holder
US-39550Z | Union-Special Lower Knife Clamp 39550-G 39550L
US-39551-H | Union-Special needle clamp WASHER F/39500
US-39551A | Union-Special Needle Clamp Washer 39511-A 39511-H
US-39551C | Union-Special 39500 2 needle clamp Stud / 4.5mm (use w/ 14077 )
US-39551D | Union-Special Needle Space Washer use with 39551-C stud
US-39551F | Union-Special 39500FW Single Needle Clamp Stud (use w/ 14077) (Thin) 5.5mm
US-39551G | Union-Special Needle Spacer
US-39551J | Union-Special 39500 Single Needle Stud (thick 5.5mm ) ( nut = 14077A)
US-39552AC | Union-Special Needle Driving Arm
US-39552AC/Japan | Union-Special Needle Driving Arm -Made in Japan
US-39552AD | Union-Special Pin Needle Stop
US-39552AG | Union-Special Looper Thread Pull Off
US-39552AJ | Union-Special Needle Driving Arm
US-39552C | Union-Special Washer
US-39552E | Union-Special Fit Arm Rod
US-39552U | Union-Special needle driving bush
US-39555AE | Union-Special Lever Shaft
US-39555AF | Union-Special Support Bracket
US-39555B | Union-Special Foot Lift Spring
US-39555D | Union-Special Lever (foot lift)
US-39555F | Union-Special Foot Lever
US-39556A | Union-Special Bushing
US-39556AU | Union-Special Presser Foot Arm
