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9/64” (0.140625) Inch Outer Diameter Stock Extension Springs

Definition of a 9/64” Outer Diameter Extension Spring:

A 9/64” (nine sixty-fourths) Outer Diameter Extension spring has an outer diameter of 0.140625 inches; with lengths inside hooks from 5/16” (0.3125 inches) to 7 7/8” (7.875 inches). These springs are found in our stock extension spring catalog and are ready made.

 

The Spring Store by Acxess Spring provides customers with stock extension springs. Here is a separate list of standard extension springs with a 9/64” outer diameter.

 

Showing 34 out of 4342 items

Select. TSS Part#Outer Diameter by FractionsOuter Diameter (in.) DecimalsInner Diameter (in.) DecimalsLength Inside Hook by FractionsLength Inside Hook (in.) DecimalsRate (lbs./in.)Initial Tension (lbs.)Sugg. Max. Defl. (in.)Sugg. Max. Load (lbs.)Wire Dia. (in.)Total CoilsMaterial TypeHook TypeFinish
PE016-140-8.250-MW-0.310-MH-N-IN 9/64 = 0.140 0.108 5/16 = 0.310 7.100 0.200 0.190 1.500 0.016 8.250 MW-Music Wire MH N
PE013-140-15.077-MW-0.380-MH-Z-IN 9/64 = 0.140 0.114 3/8 = 0.380 1.700 0.070 0.490 0.900 0.013 15.077 MW-Music Wire MH Z
PE010-140-22.000-MW-0.410-MH-N-IN 9/64 = 0.140 0.120 13/32 = 0.410 0.380 0.020 1.000 0.410 0.010 22.000 MW-Music Wire MH N
PE013-140-17.385-MW-0.410-MH-N-IN 9/64 = 0.140 0.114 13/32 = 0.410 1.000 0.070 0.820 0.900 0.013 17.385 MW-Music Wire MH N
PE013-140-19.693-MW-0.440-MH-N-IN 9/64 = 0.140 0.114 7/16 0.440 1.000 0.070 0.810 0.900 0.013 19.693 MW-Music Wire MH N
PE014-140-18.429-MW-0.440-MH-N-IN 9/64 = 0.140 0.112 7/16 0.440 2.100 0.100 0.490 1.100 0.014 18.429 MW-Music Wire MH N
PE012-140-23.667-MW-0.470-MH-Z-IN 9/64 = 0.140 0.116 15/32 = 0.470 0.790 0.050 0.840 0.710 0.012 23.667 MW-Music Wire MH Z
PE017-140-19.059-MW-0.500-MH-Z-IN 9/64 = 0.140 0.106 1/2 = 0.500 3.300 0.200 0.500 1.900 0.017 19.059 MW-Music Wire MH Z
PE016-140-20.125-MW-0.500-MH-N-IN 9/64 = 0.140 0.108 1/2 = 0.500 3.600 0.200 0.390 1.500 0.016 20.125 MW-Music Wire MH N
PE016-140-20.125-MW-0.500-MH-GI-IN 9/64 = 0.140 0.108 1/2 = 0.500 2.400 0.200 0.570 1.500 0.016 20.125 MW-Music Wire MH GI
PE017-140-24.353-MW-0.590-MH-N-IN 9/64 = 0.140 0.106 19/32 = 0.590 3.100 0.200 0.530 1.900 0.017 24.353 MW-Music Wire MH N
PE015-140-30.000-MW-0.630-MH-N-IN 9/64 = 0.140 0.110 5/8 = 0.630 1.400 0.100 0.840 1.300 0.015 30.000 MW-Music Wire MH N
PE016-140-28.250-SST-0.630-MH-N-IN 9/64 = 0.140 0.108 5/8 = 0.630 1.800 0.200 0.520 1.100 0.016 28.250 SST-Stainless Steel MH N
PE015-140-38.000-MW-0.750-MH-N-IN 9/64 = 0.140 0.110 3/4 = 0.750 1.000 0.100 1.100 1.300 0.015 38.000 MW-Music Wire MH N
PE015-140-42.000-MW-0.810-MH-N-IN 9/64 = 0.140 0.110 13/16 = 0.810 0.980 0.100 1.200 1.300 0.015 42.000 MW-Music Wire MH N
PE020-140-33.500-MW-0.840-MH-Z-IN 9/64 = 0.140 0.100 27/32 = 0.840 4.000 0.400 0.660 3.000 0.020 33.500 MW-Music Wire MH Z
PE015-140-46.667-MW-0.880-MH-Z-IN 9/64 = 0.140 0.110 7/8 = 0.880 0.770 0.100 1.500 1.300 0.015 46.667 MW-Music Wire MH Z
PE022-140-32.455-SST-0.880-MH-N-IN 9/64 = 0.140 0.096 7/8 = 0.880 5.900 0.600 0.380 2.900 0.022 32.455 SST-Stainless Steel MH N
PE011-140-79.273-MW-1.060-MH-Z-IN 9/64 = 0.140 0.118 1 1/16 = 1.060 0.120 0.030 4.200 0.550 0.011 79.273 MW-Music Wire MH Z
PE016-140-63.625-MW-1.250-MH-Z-IN 9/64 = 0.140 0.108 1 1/4 = 1.250 0.770 0.200 1.800 1.500 0.016 63.625 MW-Music Wire MH** Z
PE014-140-80.572-MW-1.310-MH-Z-IN 9/64 = 0.140 0.112 1 5/16 = 1.310 0.360 0.090 2.900 1.100 0.014 80.572 MW-Music Wire MH Z
PE014-140-94.143-MW-1.500-MH-Z-IN 9/64 = 0.140 0.112 1 1/2 = 1.500 0.300 0.100 3.500 1.100 0.014 94.143 MW-Music Wire MH Z
PE016-140-82.625-MW-1.500-MH-Z-IN 9/64 = 0.140 0.108 1 1/2 = 1.500 0.600 0.200 2.300 1.600 0.016 82.625 MW-Music Wire MH Z
PE012-140-120.334-MW-1.630-MH-N-IN 9/64 = 0.140 0.116 1 5/8 = 1.630 0.120 0.050 5.500 0.710 0.012 120.334 MW-Music Wire MH N
PE014-140-121.286-MW-1.880-MH-Z-IN 9/64 = 0.140 0.112 1 7/8 = 1.880 0.230 0.100 4.500 1.100 0.014 121.286 MW-Music Wire MH Z
PE016-140-106.375-MW-1.880-MH-Z-IN 9/64 = 0.140 0.108 1 7/8 = 1.880 0.470 0.200 3.000 1.600 0.016 106.375 MW-Music Wire MH Z
PE014-140-165.572-MW-2.500-MH-Z-IN 9/64 = 0.140 0.112 2 1/2 = 2.500 0.170 0.100 6.200 1.100 0.014 165.572 MW-Music Wire MH Z
PE016-140-145.125-MW-2.500-MH-Z-IN 9/64 = 0.140 0.108 2 1/2 = 2.500 0.340 0.200 4.100 1.600 0.016 145.125 MW-Music Wire MH Z
PE014-140-165.572-MW-2.500-MH-N-IN 9/64 = 0.140 0.112 2 1/2 = 2.500 0.180 0.100 5.900 1.100 0.014 165.572 MW-Music Wire MH N
PE015-140-154.667-MW-2.500-MH-N-IN 9/64 = 0.140 0.110 2 1/2 = 2.500 0.240 0.100 4.700 1.300 0.015 154.667 MW-Music Wire MH N
PE019-140-201.474-MW-4.000-MH-Z-IN 9/64 = 0.140 0.102 4 = 4.000 0.530 0.300 4.300 2.600 0.019 201.474 MW-Music Wire MH Z
PE030-140-161.667-MW-5.000-MH-Z-IN 9/64 = 0.140 0.080 5 = 5.000 5.300 3.000 1.500 10.000 0.030 161.667 MW-Music Wire MH Z
PE022-140-262.455-MW-5.940-MH-Z-IN 9/64 = 0.140 0.096 5 15/16 = 5.940 0.780 0.600 4.400 4.100 0.022 262.455 MW-Music Wire MH Z
PE017-140-453.177-MW-7.880-MH-Z-IN 9/64 = 0.140 0.106 7 7/8 = 7.880 0.140 0.200 12.000 1.900 0.017 453.177 MW-Music Wire MH Z

Your 9/64” extension spring's dimensions and measurements have a lot to do with your standard extension spring's force. For this reason, it is very important that the extension spring measurements are precise. Changing the wire diameter by even 0.001" can make a great difference on how strong your spring will be and how much it will be able to travel; especially with a spring as small as a 9/64” outer diameter extension spring.

 

 

How To Measure Your 9/64” Outer Diameter Stock Extension Spring

 

 

 

The 9/64” outer diameter standard extension springs provided here offer customers a wide variation of rate, load, and travel capacities. Every spring has it's own amount of force due to the different physical dimensions each stock extension spring has like wire diameter or total coils. The force chart at the bottom of the page will explain what adjustments will make your spring stronger or weaker.

 

For more force you must either decrease your extension spring's outer diameter, increase the wire diameter, take some coils out, or make the length inside hooks shorter (which will also reduce the amount of coils) so that it'll take the spring more force to extend to the desired extended length. For less force, you must increase the outer diameter, decrease the wire diameter, add coils, or make the length inside hooks of your spring longer (which will also increase the amount of coils) so that it'll take less force for the extension spring to extend to the desired extended length.

 

These stock 9/64” outer diameter stock extension springs are made out of either Stainless Steel Wire or Music Wire. Music wire may sometimes be plated in a zinc or gold irridite finish. Other plating options like black oxide are available on other standard extension spring sizes.