817-4-4-BK-NI GN 817-NI Stainless Steel, with plastic knob

817-4-4-BK-NI

GN 817-NI Stainless Steel, with plastic knob

Steel / Stainless Steel, with or without rest position
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Eta: 1-2 weeks All sizes and variants of GN 817

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Technical data

Catalogue
GN 817-4-4-BK-NI
d1 Pin -0.02/-0.05 Bore H7
4
l1
4
d2
M 8 x 1
d3
16
d4
M 3
d5
7
k
14
l2
35
l3
16
l4
5
l5
4.5
l6
2.5
A/F
10
Spring load
in N≈ initial
4.5
Spring load
in N≈ end
12
10
817-4-4-BK-NI drawing

Types

  • Type B: without rest position, without lock nut
  • Type BK: without rest position, with lock nut
  • Type C: with rest position, without lock nut
  • Type CK: with rest position, with lock nut
  • Type G: with threaded rod, without lock nut
  • Type GK: with threaded rod, with lock nut

Steel

  • blackened
  • Pin hardened

Stainless Steel AISI 303 NI

Pin chemically nickel plated

Knob Plastic (Polyamide PA)

  • black, matt
  • red RT RAL 3000 (add RT on order code)
  • not removable

Indexing plungers GN 817 with rest position (Type C / CK) are used for such applications where the plunger has to stay in its rectracted position.

To achieve this, the knob is rotated by 90° degrees after being retracted. A notch keeps the plunger in this position.