Mansfield
Mansfield was founded in 1929 and in 2004 it was purchased by the world’s largest manufacturer of vitreous china, the Colombian Corona. Nonetheless, Mansfield continues to operate in the United States; its corporate headquarters is based in Perrysville and its three manufacturing plants are located in Perrysville, Big Prairie, Ohio, and Henderson, Texas.
Sample number markings below. Inside tank, bottom of tank lid, bottom of tank.

List of Mansfield tank numbers:
10, 11, 20, 21, 25, 26, 35, 51, 102, 106, 108, 112, 119, 120, 121, 122, 113, 124, 125, 127, 153, 154, 155, 159, 160, 161, 163, 164, 165, 170, 171, 172, 173, 174 ,175, 177, 178, 180, 181, 185, 187, 188, 189, 190, 192, 195, 199, 361, 386, 387, 392, 395, 700, 702, 704, 705, 707, 708, 722, 1012, 1386, 2987, 3106, 3108, 3012, 3120, 3121, 3122, 3125, 3147, 3148, 3173, 3174, 3185, 3195, 3386, 3421, 3816, 3916, 3987, 5320, 6001, 6002, 6003, 6004.
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Seats Color-To-Match® for MANSFIELD colors from $64.66
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Tank Lid Mansfield 5D-7D $68.00
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Tank Lid Mansfield 5S-7S Out of stock
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Lid Mansfield MPP8, 162, 163 from $70.00
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Tank Lid Mansfield MPP10, MPP164 Out of stock
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Tank Lid Mansfield Alto MPP-160 from $75.00
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Tank Lid Mansfield 201-216 from $60.00
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Tank Lid Mansfield P1031 Out of stock
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Tank Lid Mansfield P10212, MPP163 $70.00
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Tank Lid Mansfield MPP Pressure Assist without Push Button $85.00
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Tank Lid Mansfield MPP51, MPP-51, 51 Out of stock
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Tank Lid Mansfield 102 Out of stock
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Tank Lid Mansfield Barrett 106 $80.00
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Tank Lid Mansfield 700 $90.00