27-64 Outer Diameter
27/64" (0.421875) Inch Outer Diameter Standard Compression Springs
Definition of 27/64" Outer Diameter Compression Springs:
A 27/64" (twenty-seven sixty-fourths of an inch) outer diameter compression spring has an outer diameter of 0.421875 inches. This spring size is ideal for compact systems requiring reliable force without taking up too much space. Common applications include small engines, switches, medical devices, and mechanical locks.
At The Spring Store by Acxess Spring, we offer a variety of 27/64" OD compression springs with different wire diameters, coil configurations, spring rates, and free lengths to meet your exact performance specifications.
How To Measure Your 27/64" Inner Diameter Stock Compression Spring




Your 27/64" (twenty-seven sixty-fourths of an inch) compression spring’s outer diameter is a key factor in ensuring proper fit and function. A 27/64" OD compression spring provides compact, dependable force for mid-load applications in tight spaces.
The 27/64" (0.421875) OD compression springs we offer are available in various configurations of wire diameter, spring rate, free length, and total coils to ensure optimal performance for your project.
All of our 27/64" OD compression springs are made using top-quality 302 stainless steel (ASTM A 313) or music wire (ASTM A 228) to ensure strength, corrosion resistance, and longevity.
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Price Part Number Image Ship typeOutside Diameter
Ship type
Inside Diameter
Outside Diameter
Free Length
Inside Diameter
Rate
Free Length
Max. Deflection
Spring rate or spring constant: The amout of force required to move the spring 1 inch of distance or in millimeters the amount of force required to move the spring 1 millimeter of distance.
Max. Load
Max. Deflection
Solid Height
The maximum amount of force or load you can place on this spring. If you put more force than this you will distort or fatigue the spring.
Wire Diameter
Solid Height
Total Coils
Wire Diameter
Material Type
Total Coils
End Type
Material Type
End Type