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D-313A-03 Compression spring is sold as a box of 12 pieces. The listed price is for the complete 12-piece box, not for a single spring.

Built for buyers who search by exact spring reference, D-313A-03 gives you the key dimensions and load data needed before ordering.

Technical highlights include material: EN 10270-1, wire diameter: 3.3 mm, outer diameter: 19.5 mm, free length: 32 mm, spring rate: 66.864 N/mm. Use the specification table below to verify the dimensions and performance data against your application before placing an order.

  • Pack size: 12 pieces per box
  • Price basis: price shown is for one box containing 12 springs
  • Product type: Compression spring
  • Best for: maintenance, replacement, prototyping, and specification-led purchasing

Technical specifications

Article number D-313A-03
Material EN 10270-1
Spring ends Closed and ground
Wire diameter [d] 3.3 mm
Inner coil diameter [Di] - mm
Mean coil diameter [D] 16.2 mm
Outer coil diameter [De] 19.5 mm
Maximum mandrel diameter [Dd] 12.1 mm
Minimum housing diameter [Dh] 20.3 mm
Free length [L0] 32 mm
Buckling length [Lk] mm
Max. static force [Fn] 632.898 N
Min. static length [Ln] 22.53 mm
Max. static deflection [sn] 9.47 mm
Max. dynamic force [Fndyn] 513.512 N
Min. dynamic length [Lndyn] 24.32 mm
Max. dynamic stroke [shdyn] 3.86 mm
Spring pitch [S] 6.753 mm
Active coils [n] 4.25 pc.
Total coils [nt] - pc.
Spring rate [R] 66.864 N/mm
Weight per spring 21.5052 g

Please check all measurements carefully before ordering. Spring performance can vary depending on installation conditions and application requirements.

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