GN 615.8

Spring plungers

Steel, Stainless Steel, Ball with friction bearing, with slot

GN 615.8-K/KS

Spring plungers
Spring plungers, Steel

GN 615.8-KN/KSN

Spring plungers
Spring plungers, Stainless Steel

GN 615.8-K/KS

Spring plungers
Spring plungers, Steel


  • Type K: Steel, standard spring load
  • Type KS: Steel, high spring load
  • Type KN: Stainless Steel, standard spring load
  • Type KSN: Stainless Steel, high spring load

Type K / KS

  • Housing Steel, blackened
  • Ball Steel, hardened

Type KN / KSN

  • Housing Stainless Steel AISI 303
  • Ball Stainless Steel AISI 420C, hardened


Stainless Steel AISI 631

Friction bearing

  • Plastic
  • temperture resistant up to 90 °C

Identification of type KS / KSN:

Housing with 2 longitudinal markings

GN 615.8 spring plungers are used for locking as well as for pressure and hold-off functions.

The ball is mounted in a plastic shell so as to be freely movable, which enables rolling and therefor generally optimizes the locking characteristics. Above all, this reduces wear on the counter piece.

A further characteristic of these plungers is that the plastic bearing acts as an electrical insulator.


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