Extension, Drawbar Springs

Century Spring Corp.
Hubbell Controls
Murrplastik Systems, Inc.

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Box
Bulk
Retail Package

Active

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0.007" (0.18mm)
0.008" (0.20mm)
0.009" (0.23mm)
0.010" (0.25mm)
0.011" (0.28mm)
0.012" (0.30mm)
0.013" (0.33mm)
0.014" (0.36mm)
0.015" (0.38mm)
0.016" (0.41mm)
0.017" (0.43mm)
0.018" (0.46mm)
0.019" (0.48mm)
0.020" (0.51mm)
0.021" (0.53mm)
0.022" (0.56mm)
0.023" (0.58mm)
0.024" (0.61mm)
0.025" (0.64mm)
0.026" (0.66mm)
0.027" (0.69mm)
0.028" (0.71mm)
0.029" (0.74mm)
0.030" (0.76mm)
0.031" (0.79mm)
0.032" (0.81mm)
0.033" (0.84mm)
0.034" (0.86mm)
0.035" (0.89mm)
0.036" (0.91mm)
0.037" (0.94mm)
0.038" (0.97mm)
0.039" (0.99mm)
0.040" (1.02mm)
0.041" (1.04mm)
0.042" (1.07mm)
0.043" (1.09mm)
0.044" (1.12mm)
0.045" (1.14mm)
0.046" (1.17mm)
0.047" (1.19mm)
0.048" (1.22mm)
0.049" (1.24mm)
0.050" (1.27mm)
0.051" (1.30mm)
0.052" (1.32mm)
0.054" (1.37mm)
0.055" (1.40mm)
0.056" (1.42mm)
0.057" (1.45mm)
0.058" (1.47mm)
0.059" (1.50mm)
0.060" (1.52mm)
0.061" (1.55mm)
0.062" (1.57mm)
0.063" (1.60mm)
0.064" (1.60mm)
0.065" (1.65mm)
0.066" (1.68mm)
0.067" (1.70mm)
0.069" (1.75mm)
0.070" (1.78mm)
0.071" (1.80mm)
0.072" (1.83mm)
0.073" (1.85mm)
0.074" (1.88mm)
0.075" (1.91mm)
0.076" (1.93mm)
0.077" (1.96mm)
0.078" (1.98mm)
0.079" (2.01mm)
0.080" (2.03mm)
0.082" (2.08mm)
0.084" (2.13mm)
0.085" (2.16mm)
0.087" (2.21mm)
0.088" (2.24mm)
0.090" (2.29mm)
0.091" (2.31mm)
0.092" (2.34mm)
0.093" (2.36mm)
0.094" (2.39mm)
0.095" (2.41mm)
0.096" (2.44mm)
0.098" (2.49mm)
0.099" (2.51mm)
0.100" (2.54mm)
0.105" (2.67mm)
0.108" (2.74mm)
0.110" (2.79mm)
0.113" (2.87mm)
0.115" (2.92mm)
0.117" (2.97mm)
0.120" (3.05mm)
0.121" (3.07mm)
0.124" (3.15mm)
0.125" (3.18mm)
0.135" (3.43mm)
0.140" (3.56mm)
0.148" (3.76mm)
0.156" (3.96mm)
0.162" (4.11mm)
0.165" (4.19mm)
0.167" (4.24mm)
0.177" (4.50mm)
0.182" (4.62mm)
0.187" (4.75mm)
0.192" (4.88mm)
0.207" (5.26mm)
0.210" (5.33mm)
0.215" (5.46mm)
0.225" (5.72mm)
0.243" (6.17mm)
0.250" (6.35mm)
0.283" (7.19mm)
0.312" (7.92mm)
0.375" (9.53mm)

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Hard Drawn
HD
Music Wire
Oil Tempered
Phosphor Bronze
Spring Steel
SST 302
Stainless Steel

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0.060" (1.52mm)
0.090" (2.29mm)
0.110" (2.79mm)
0.120" (3.05mm)
0.130" (3.30mm)
0.140" (3.56mm)
0.160" (4.06mm)
0.170" (4.32mm)
0.180" (4.57mm)
0.190" (4.83mm)
0.200" (5.08mm)
0.220" (5.59mm)
0.230" (5.84mm)
0.240" (6.10mm)
0.250" (6.35mm)
0.270" (6.86mm)
0.280" (7.11mm)
0.300" (7.62mm)
0.310" (7.87mm)
0.330" (8.38mm)
0.340" (8.64mm)
0.360" (9.14mm)
0.380" (9.65mm)
0.390" (9.91mm)
0.410" (10.41mm)
0.420" (10.67mm)
0.440" (11.78mm)
0.450" (11.43mm)
0.470" (11.94mm)
0.480" (12.19mm)
0.500" (12.70mm)
0.520" (13.21mm)
0.530" (13.46mm)
0.560" (14.22mm)
0.580" (14.73mm)
0.590" (14.99mm)
0.630" (16.00mm)
0.640" (16.26mm)
0.650" (16.51mm)
0.660" (16.76mm)
0.690" (17.53mm)
0.700" (17.78mm)
0.720" (18.29mm)
0.730" (18.54mm)
0.750" (19.05mm)
0.770" (19.56mm)
0.780" (19.81mm)
0.810" (20.57mm)
0.840" (21.34mm)
0.850" (21.59mm)
0.860" (21.84mm)
0.880" (22.35mm)
0.910" (23.11mm)
0.940" (23.88mm)
0.950" (24.13mm)
0.970" (24.64mm)
1.000" (25.40mm)
1.030" (26.16mm)
1.060" (26.92mm)
1.110" (28.19mm)
1.130" (28.70mm)
1.160" (29.46mm)
1.190" (30.23mm)
1.250" (31.75mm)
1.310" (33.27mm)
1.380" (35.05mm)
1.410" (35.81mm)
1.420" (36.07mm)
1.500" (38.10mm)
1.550" (39.37mm)
1.630" (41.40mm)
1.750" (44.45mm)
1.880" (47.75mm)
1.940" (49.28mm)
1.970" (50.04mm)
2.000" (50.80mm)

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0.004 lbs/in
0.007 lbs/in
0.008 lbs/in
0.016 lbs/in
0.03 lbs/in
0.032 lbs/in
0.036 lbs/in
0.04 lbs/in
0.043 lbs/in
0.05 lbs/in
0.052 lbs/in
0.053 lbs/in
0.06 lbs/in
0.062 lbs/in
0.07 lbs/in
0.08 lbs/in
0.09 lbs/in
0.099 lbs/in
0.1 lbs/in
0.11 lbs/in
0.116 lbs/in
0.12 lbs/in
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0.14 lbs/in
0.15 lbs/in
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0.173 lbs/in
0.178 lbs/in
0.18 lbs/in
0.19 lbs/in
0.195 lbs/in
0.2 lbs/in
0.21 lbs/in
0.219 lbs/in
0.22 lbs/in
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0.233 lbs/in
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0.3 lbs/in
0.31 lbs/in
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0.324 lbs/in
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0.35 lbs/in
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0.4 lbs/in
0.41 lbs/in
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0.46 lbs/in
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0.48 lbs/in
0.49 lbs/in
0.493 lbs/in
0.5 lbs/in
0.508 lbs/in
0.51 lbs/in
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0.753 lbs/in
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1.0 lbs/in
1.032 lbs/in
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1.905 lbs/in
10.0 lbs/in
10.3 lbs/in
100.0 lbs/in
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107.0 lbs/in
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112.0 lbs/in
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120.0 lbs/in
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134.0 lbs/in
136.0 lbs/in
14.0 lbs/in
145.0 lbs/in
15.0 lbs/in
151.0 lbs/in
16.0 lbs/in
167.0 lbs/in
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178.0 lbs/in
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194.0 lbs/in
2.0 lbs/in
2.1 lbs/in
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2.573 lbs/in
2.6 lbs/in
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20.0 lbs/in
202.0 lbs/in
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24.3 lbs/in
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3.0 lbs/in
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30.0 lbs/in
31.0 lbs/in
314 lbs/in
32.0 lbs/in
33.0 lbs/in
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4.0 lbs/in
4.1 lbs/in
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40.0 lbs/in
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50.0 lbs/in
501.0 lbs/in
51.0 lbs/in
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53.0 lbs/in
54.0 lbs/in
545.0 lbs/in
55.0 lbs/in
56.0 lbs/in
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59.0 lbs/in
6.0 lbs/in
6.1 lbs/in
6.2 lbs/in
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60.0 lbs/in
61.0 lbs/in
624.0 lbs/in
63.0 lbs/in
66.0 lbs/in
67.0 lbs/in
68.0 lbs/in
69.0 lbs/in
7.0 lbs/in
7.1 lbs/in
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7.6 lbs/in
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70 lbs/in
72 lbs/in
75 lbs/in
78 lbs/in
79 lbs/in
8.0 lbs/in
8.1 lbs/in
8.2 lbs/in
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80 lbs/in
81 lbs/in
81.3 lbs/in
82 lbs/in
83 lbs/in
84 lbs/in
85 lbs/in
86 lbs/in
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89 lbs/in
9.0 lbs/in
9.1 lbs/in
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9.6 lbs/in
9.7 lbs/in
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90 lbs/in
92 lbs/in
93 lbs/in
98 lbs/in
99 lbs/in

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0.19 lbs
0.21 lbs
0.22 lbs
0.24 lbs
0.27 lbs
0.30 lbs
0.32 lbs
0.37 lbs
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0.557 lbs
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0.639 lbs
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1.0 lbs
1.029 lbs
1.08 lbs
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1.2 lbs
1.274 lbs
1.3 lbs
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1.679 lbs
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1.975 lbs
10.0 lbs
10.783 lbs
100.0 lbs
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112 lbs
114 lbs
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12.06 lbs
12.198 lbs
120.0 lbs
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14.059 lbs
141.0 lbs
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151.0 lbs
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170.0 lbs
174.0 lbs
176.0 lbs
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19.269 lbs
19.777 lbs
196.0 lbs
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2.1 lbs
2.176 lbs
2.2 lbs
2.3 lbs
2.4 lbs
2.427 lbs
2.5 lbs
2.6 lbs
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21.0 lbs
21.261 lbs
214.0 lbs
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255.0 lbs
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275.0 lbs
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3.0 lbs
3.1 lbs
3.2 lbs
3.285
3.3 lbs
3.4 lbs
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3.515 lbs
3.6 lbs
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3.883 lbs
3.9 lbs
30.0 lbs
31.0 lbs
310.0 lbs
32.0 lbs
33.0 lbs
33.7 lbs
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34.2 lbs
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35.7 lbs
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4.0 lbs
4.1 lbs
4.2 lbs
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4.4 lbs
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4.504 lbs
4.6 lbs
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4.9 lbs
40.0 lbs
41.0 lbs
42.0 lbs
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448.0 lbs
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48.0 lbs
48.92 lbs
49.0 lbs
495.0 lbs
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5.2 lbs
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5.357 lbs
5.4 lbs
5.5 lbs
5.556 lbs
5.6 lbs
5.684 lbs
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512.0 lbs
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6.1 lbs
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6.581 lbs
6.6 lbs
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9.6 lbs
9.657 lbs
9.8 lbs
9.9 lbs
93.0 lbs
94.0 lbs
95.0 lbs
96.0 lbs
98.0 lbs
99.0 lbs

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0.325" (8.25mm)

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Black Oxide
Gold Iridite
None
Zinc