This Guide is a QUICK REFERENCE list of needle system for all Singer Industrial Machines.  The Needle System AND the Singer Category Numbers are shown for over 200 models !  Be sure to use the right needle size for what you are sewing. 

MACHINE CLASS          /         SINGER NEEDLE CATEGORY         /        UNIVERSAL NEEDLE SYSTEM

• 7 / 5211 / 7x1
• 11 /  2083 / 16x2
• 11W  / 1653 / 128x3
• 12W7, 12W102 / 1653 / 128x3
• 12W211 to 224 / 4401 / 129x1
• 12K221 to 224 / 4401 / 129x1
• 12W225, 12K225 / 3303 / 126x3
• 16, 16U  / 3861 / 16x63
• 17, 17U / 2083 / 16x2
• 17W   /  3303  /  126x3
• 17W1  /  1653  / 128x3
• 18, 18U /   2083  / 16x2
• 19-10  /  2055 / 16x87
• 19-18  /   3027  /  31x1
• 20U (all) /  1955  /  135x65
• 21W, 22W, 23W, 24W /  3303  / 126x3
• 21W1, 22W1, 23W1, 24W1  / 1653 / 128x3
• 24, 25, 26  /  1111  /   24x1
• 26W, 27W, 28W  /  3303 / 126x3
• 26W1, 27W1, 28W1 / 1653 / 128x3
• 29, 29K  /   3741 /  29x3
• 31, 31-15  /   2055  / 16x87
• 31W, 31-15W  /   2083  /  16x2
• 31-37, 31-63  /   3027  /  31x1
• 32-36  /   3861  / 16x63
• 42 /  3861 / 16x83
• 44  / 2055 / 16x87
• 44-37, 44-60, 44-62 / 3027 / 31x1
• 46W  /  3303  / 126x3
• 46W1  /  1653  /  128x3
• 47W62  /  1653 / 128x3
• 47W66, 47W70 / 3303 / 126x3
• 48W /  1653  /  128x3
• 51W  /  1653  /  128x3
• 52  /  1602 /   52x5
• 52-1  / 1604 / 52x7
• 52-2 / 1601   / 52x1
• 52W, 52K  / 3305 /  126x9
• 55   / 4301  /  55x3
• 55-1  /  3702  /  55x5
• 56, 57 /  3027  / 31x1
• 61W, 62W, 65W /  1451 / 135x1
• 63, 88  / 1315  /  88x1
• 63-1, 88-1 /  1361  /   88x9
• 68, 69  /  1628  /  68x5
• 68-1, 69-1 /  1627  /  68x3
• 71, 79, 84 / 1526 / 71x1
• 78 / 3060 / 16x99
• 81, 81U / 1228 / 81x1
• 95, 95K / 1315 / 88x1
• 96, 96K / 2254 / 16x231
• 99W / 1413 / 142x5
• 103K / 2254 / 16x231
• 103W / 3303 / 126x3
• 107W, 107G / 1945 / 135x5
• 107W2, 11, 50 / 1989 / 135x8
• 108W, 108K / 1451 / 135x1
• 109W / 1945 / 135x5
• 110W, 110K / 2083 / 16x2
• 111W, 111G / 3355 / 135x17
• 111W100, 150 / 1989 / 135x8
• 112W, 112G / 1901 / 135x7
• 112W121, 22, 23 / 1989 / 135x8
• 112W139, 112G139 / 3305 / 126x9
• 113W / 1901 / 135x7
• 114 / 3048 / 108x1
• 131W / 2925 / 141x1
• 132K / 5011 / 216x1
• 132W / 1902 / 135x9
• 133K / 5021 / 216x7
• 133W / 1902 / 135x9
• 134W, 135W / 1901 / 135x7
• 138G / 2083 / 16x2
• 138W / 1901 / 135x7
• 140W, 140G / 1902 / 135x9
• 142W / 1451 / 135x1
• 143W / 1901 / 135x7
• 144W / 5213 / 7x3
• 145W / 4804 / 7x23
• 147 / 3518 / 62x47
• 150W / 1451 / 135x1
• 151W, 151K / 1451 / 135x1
• 152-11 / 3518 / 62x47
• 153W101,103,104, 153K103, 104 / 3355 / 135x17
• 153W102, 153K101, 102 / 1901 / 135x17
• 154W / 1901 / 135x7
• 158 / 1111 / 24x1
• 167W, 167G / 1901 / 135x7
• 168W, 168G / 3355 / 135x17
• 175 / 2851 / 175x1
• 175 (regular shank buttons) / 4531 / 175x7
• 175 (short shank buttons) / 4533 / 175x9
• 175 (extra long shank buttons) / 4631 / 175x13
• 178-1 / 2851/ 175x1
• 188K-1/2254/ 16x231
• 195K/1315/ 88x1
• 196K/2254/ 16x231
• 211W,211G/3355/ 135x17
• 212G/1905/ 1905
• 212W/1901/ 135x7
• 231/2774/ 149x1
• 236W,236G/1653/ 128x3
• 240W,240K/1111/ 24x1
• 241-1,11/1361/ 88x9
• 241-2,3,12,13/2270/ 16x257
• 245/2270/ 16x257
• 245-4/1515/ 16x95
• 246-1 to 16,31,246K50/1261/ 151x1
• 246K42 to 47,51,61/1265/ 151x7
• 251-1,11,21,24/1361/ 88x9
• 251-2,3,12.13.20,22/2270/ 16x257
• 251-5,15,23/1515/ 16x95
• 253-2,11,201,211,311/2276/ 149x7
• 253-12,212,213/4107/ 26x45
• 256-5/1526/ 71x1
• 257-1/3048/ 108x1
• 261/3651/ 149x3
• 262-3,23,24,31,32/4107/ 62x45
• 262-25/3651/ 149x3
• 269W/1628/ 68x5
• 269W7/3060/ 16x99
• 269W41/1901/ 135x7
• 270/1515/ 16x95
• 271K,271W/1526/ 71x1
• 281/1955/ 135x65
• 281-5/1515/ 16x95
• 281-6,21,24/1361/ 88x9
• 300W,302W/3260/ 62x57
• 307G2/3355/ 135x17
• 331K1,4/2055/ 16x87
• 331K5/3861/ 16x63
• 336K106,126/1361/ 88x9
• 336K125,205/1955/ 135x65
• 400W1,11,12,21,24,30-33/1315/ 88x1
• 400W18,28,35,36,38,110/1901/ 135x7
• 400W22,102,103/1945/ 135x5
• 400W/1319/ 88x5
• 402W100/1968/ 135x25
• 402W101/1451/ 135x1
• 410W9/1451/ 135x1
• 410W10,19,20/1111/ 24x1
• 410W11,110/1902/ 135x9
• 410W111/3355/ 135x17
• 451K11,25,31,41,45/1361/ 88x9
• 451K101,105,111/1968/ 135x25
• 451KX31,41,42/2270/ 16x257
• 451KX33,43/1315/ 88x1
• 451K/1319/ 88x5
• 452K1/2776/ 149x7
• 457G/1905/ 1905
• 460-12 to 16,460K42 to 46,73,75/1431/ 1431
• 460-20 to 22,460K50,51,80,81/1435/ 1435
• 552/2774/ 149x1
• 555/3651/ 149x3
• 600W/1361/ 88x9
• 1300-1,2/2270/ 16x257