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Compression Springs Compression Springs

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Extension Springs Extension Springs

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Torsion Springs Torsion Springs

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Conical Springs Conical Springs

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5-16 Outer Diameter

5/16" (0.3125) Inch Outer Diameter Standard Compression Springs

Definition of 5/16" Outer Diameter Compression Springs:
A 5/16" (five sixteenths of an inch) outer diameter compression spring has an outer diameter of 0.3125 inches. This spring size is commonly used in small to medium mechanical devices that require dependable compression force in limited space. Applications include switches, buttons, latches, and precision tools.

At The Spring Store by Acxess Spring, we offer a wide variety of 5/16" OD compression springs with different spring rates, wire sizes, free lengths, and coil counts—ready to meet your project’s specifications.

How To Measure Your 5/16" Inner Diameter Stock Compression Spring

how to measure a compression springhow to measure a compression spring
compression force chartcompression force chart

Your 5/16" (five sixteenths of an inch) compression spring’s outer diameter is essential to ensure proper fit within your device while delivering reliable force. A 5/16" OD compression spring offers the ideal balance between size and performance for general-purpose mechanisms.

The 5/16" (0.3125) OD compression springs in our stock come in multiple configurations with varied wire diameters, coil counts, spring rates, and lengths to meet your exact design needs.

All of our 5/16" OD compression springs are manufactured using high-grade 302 stainless steel (ASTM A 313) or music wire (ASTM A 228) for durability, performance, and corrosion resistance.

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  • Price Part Number Image Ship type
    Outside Diameter
    Inside Diameter
    Free Length
    Rate
    Max. Deflection
    Max. Load
    Solid Height
    Wire Diameter
    Total Coils
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    End Type
  • Special Price $3.08 Regular Price $3.55 As low as $0.14
    PC030-313-6000-177-0750-C-N-IN
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    PC030-313-6000-177-0750-C-N-IN Ships Today 0.313 in 0.253 in 0.750 in 12.25867 lbs/in 0.3547 in 4.3484 lbs 0.210 in 0.030 in 6.000 Stainless Steel 17-7 (177) Closed & Squared (C)
  • Special Price $3.32 Regular Price $3.82 As low as $0.37
    PC050-438-22000-177-2750-C-N-IN
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    PC050-438-22000-177-2750-C-N-IN Ships Today 0.438 in 0.338 in 2.750 in 7.34061 lbs/in 1.6000 in 11.7450 lbs 1.150 in 0.050 in 22.000 Stainless Steel 17-7 (177) Closed & Squared (C)
  • Special Price $3.60 Regular Price $4.14 As low as $0.27
    PC035-313-38000-177-4835-C-N-IN
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    PC035-313-38000-177-4835-C-N-IN Ships Today 0.313 in 0.243 in 4.835 in 2.66203 lbs/in 2.5708 in 6.8435 lbs 1.365 in 0.035 in 38.000 Stainless Steel 17-7 (177) Closed & Squared (C)
  • Special Price $2.15 Regular Price $2.48 As low as $0.10
    PC040-313-9000-MW-1250-C-N-IN
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    PC040-313-9000-MW-1250-C-N-IN Ships Today Promo 0.313 in 0.233 in 1.250 in 25.82238 lbs/in 0.4372 in 11.2888 lbs 0.400 in 0.040 in 9.000 Music Wire (MW) Closed & Squared (C)
  • Special Price $2.91 Regular Price $3.35 As low as $0.28
    PC035-313-42000-177-4235-C-N-IN
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    PC035-313-42000-177-4235-C-N-IN Ships Today Promo 0.313 in 0.243 in 4.235 in 2.39583 lbs/in 2.7300 in 6.5406 lbs 1.505 in 0.035 in 42.000 Stainless Steel 17-7 (177) Closed & Squared (C)
  • Special Price $8.42 Regular Price $9.69 As low as $1.00
    PC135-2145-7000-MW-4000-CG-N-IN
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    PC135-2145-7000-MW-4000-CG-N-IN Ships within 5 Business Days 2.145 in 1.875 in 4.000 in 11.75220 lbs/in 3.0550 in 35.9030 lbs 0.945 in 0.135 in 7.000 Music Wire (MW) Closed & Ground (CG)

6 Item(s)