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D-313P 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.

A compact metric compression spring for precise replacement, repair, and design work where part number D-313P is the required match.

Technical highlights include material: EN 10270-1, wire diameter: 3.6 mm, outer diameter: 18 mm, free length: 36.8 mm, spring rate: 104.19 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-313P
Material EN 10270-1
Spring ends Closed and ground
Wire diameter [d] 3.6 mm
Inner coil diameter [Di] - mm
Mean coil diameter [D] 14.4 mm
Outer coil diameter [De] 18 mm
Maximum mandrel diameter [Dd] 10 mm
Minimum housing diameter [Dh] 18.9 mm
Free length [L0] 36.8 mm
Buckling length [Lk] mm
Max. static force [Fn] 765.257 N
Min. static length [Ln] 29.46 mm
Max. static deflection [sn] 7.34 mm
Max. dynamic force [Fndyn] 636.603 N
Min. dynamic length [Lndyn] 30.69 mm
Max. dynamic stroke [shdyn] 3.59 mm
Spring pitch [S] 6.036 mm
Active coils [n] 5.5 pc.
Total coils [nt] - pc.
Spring rate [R] 104.19 N/mm
Weight per spring 27.2991 g

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

Let us know abour your query!