US-51801-C | Union-Special Cloth Plate
US-51805-12-64-12 | Union-Special FEED DOG
US-51808 | Union-Special LOOPER
US-51808-A | Union-Special Looper Front was K-57933
US-51809 | Union-Special Looper (back) was K-57902 use with 51808-A
US-51817-A | Union-Special Needle Bar
US-51818-16-64-16 | Union-Special Needle Holder 1/4 1.1/2 1/4
US-51820-16-64-16 | Union-Special Presser Foot
US-51824-16-64-16 | Union-Special Throat Plate
US-51830-D | Union-Special Equalizer (link)
US-51854-E | Union-Special Bushing Lower or Renown 10046
US-51854-F | Union-Special Bushing Upper
US-51864 | Union-Special Foleder Bracket
US-51870 | Union-Special Take Up Wire
US-51876 | Union-Special Lower Feed Roller
US-51876-A | Union-Special Roller Shank
US-51876-B | Union-Special Roller Stud
US-51876-D | Union-Special Shank Rocker
US-51876-F | Union-Special Stripper Wire
US-51892 | Union-Special Post Support
US-51905-B-9 | Union-Special Feed Dog
US-51905-C-9 | Union-Special FOOT/FEEDER
US-51908-B-8 | Union-Special Looper Front
US-51908-B-9 | Union-Special Looper Genuine 51908-A9 replaced with 51908-B-9
US-51909-D-8 | Union-Special Looper Back 8 Gauge
US-51909-D-9 | Union-Special Looper Genuine F/ 51900
US-51909-D-9_Dup | Union-Special Looper Back
US-51909C | Union-Special LOOPER REPLACES 51909B
US-51909C-GEN | Union-Special LOOPER REPLACES 51909B
US-51924-B-9 | Union-Special Needle Plate
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 | 6Z0385 | 630150 | Union-Special Knife or Porter 1000
US-52373-B | Union-Special Bear Stud
US-52373-C | Union-Special Rocker RFG
US-52700-C | Union-Special Knife upper
