US-51924-C-9 | Union-Special Throat Plate
US-51951-K | Union-Special Spring
US-51959-B | Union-Special Tension Disc
US-51959-D | Union-Special tension nut F/51400
US-51959-K | Union-Special Tension Spring or 51959
US-52336 | Union-Special Link Pin
US-52349 | Union-Special Knife or Porter 6Z0385
US-52373-B | Union-Special Bear Stud
US-52373-C | Union-Special Rocker RFG
US-52700-C | Union-Special Knife upper
US-52700-L | Union-Special Knife
US-52705-E | Union-Special Feed Dog (main)
US-52705-J-12 | Union-Special Feed Dog
US-52705-M | Union-Special Feed Dog (main) use with 52724-M-16
US-52705G-16 | Union-Special Feed Dog (diff)
US-52708-B | Union-Special Looper
US-52717-E-12 | Union-Special Needle Bar.
US-52720-K-12 | Union-Special Presser Foot Complete
US-52724-A-16 | Union-Special Throat Plate 6mm use feed dog 6905-H 16 or 1/4
US-52724-C | Union-Special PLATE
US-52724-D-8 | Union-Special Throat Plate CL52800BQ
US-52724-G-16 | Union-Special Throat Plate
US-52724-H-12 | Union-Special Throat Plate use feed dog 7205-A
US-52724-H-8 | Union-Special Throat Plate
US-52724-J-12 | Union-Special Throat Plate 52724JD
US-52724-M-16 | Union-Special Throat Plate
US-52724-N-12 | Union-Special Throat Plate
US-52724-N-8 | Union-Special Throat Plate CL52800BQ
US-52724A12 3/16 | Union-Special Throat Plate
US-52726C | Genuine Differential feed dog | 16 TPI | 8gge | marked DD, for Union Special 57700U
US-52728-M-16 | Union-Special Throat Plate OR 57728-M-16
US-52730-AB | Union-Special torsion Spring
US-52730-U-8 | Union-Special Presser Foot
US-52730-Y | Union-Special Presser Foot Spring
US-52736 | Union-Special Feed Crank Link
US-52749-A | Union-Special Knife F/52700
US-52770-D | Union-Special UPPER KNIFE
US-52770-L | Union-Special UPPER KNIFE
US-52776-E | Union-Special Washer Sponge Rubber or Renown 7043 was K-60025
US-52776-F | Union-Special Con Rod Link was K-64235