US-C50030C | Union-Special Spring
US-C50030D | Union-Special Spring
US-C50034AH | Union-Special Feed Dog Holder C-50034-W
US-C50034Z | Union-Special Eccentric
US-C50042AD | Union-Special Belt (looper drive)
US-C50042AK | Union-Special Timing Belt
US-C50054D | Union-Special bushing Shield
US-C50068AR | Union-Special Shaft (rear needle guard)
US-C50080A | Union-Special Throat Plate Support
US-C50082AW | Union-Special Head Gasket
US-C50092S | Union-Special Tension Nut formerly C-5009
US-C50093AB | Union-Special Gasket Oil Pad
US-C50093CA | Union-Special Filter-- see notes 39593AE
US-C50093DA | Union-Special Oil Filter or 660-856
US-C50093L | Union-Special Oil Pump Assembly
US-C50095C | Union-Special Isolator
US-C50096A | Union-Special Spring Washer
US-C51224D | Union-Special Plate
US-C51224K 1/8 | Union-Special Throat Plate
US-C51324B | Union-Special Throat Plate
US-C7528H-4 1/2 | Union Special 2 Needle staggered Needle Plate
US-CT39549 | Union-Special Knife Lower Carbide tip
US-CT39549J | Union-Special Knife (lower wide) tungsten/carbon tip
US-CT39570(TT) | Union-Special Knife (top) tungsten
