Inch and Metric Size, Steel
Indexing Plungers with Multiple Pin Lengths
Threaded Body, Non Lock-out Type
GN 817



RoHS Compliant
 

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Specification
Information

Threaded body: Steel, black oxide finish  
Plunger pin: Steel, hardened and ground
Knob: Matte black technopolymer plastic (Polyamide PA), not removable
Lock nut: Steel, black oxide finish, DIN 439 / ISO 4035


GN 817 indexing plungers offer the following advantages: 
--Two retracting strokes l1 per plunger diameter 
--Defined thread length by an undercut at the end of the thread
Type G with threaded spindle is for applications where a specific knob or special receptacle is required for operation.
Maximum heat resistance of nylon plastic hand knob: 110°C (230°F).
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Inch Size Plungers With Pull Knob

Dimensions in:

inches
(millimeters)

Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
l3
d3
l2
l4
A/F
Spring Load Lbs.
Without
Lock Nut
With
Lock Nut
Initial
End
.16
(4)
.16
(4)
5/16-18
.63
(16)
.63
(16)
1.38
(35)
.20
(5)
.39
(10)
.9
2.7
.16
(4)
.24
(6)
5/16-18
.63
(16)
.63
(16)
1.38
(35)
.20
(5)
.39
(10)
.9
2.8
.20
(5)
.20
(5)
3/8-16
.71
(18)
.75
(19)
1.57
(40)
.24
(6)
.47
(12)
1.1
3.4
.20
(5)
.31
(8)
3/8-16
.71
(18)
.75
(19)
1.57
(40)
.24
(6)
.47
(12)
1.1
4.1
.24
(6)
.24
(6)
1/2-13
.87
(22)
.91
(23)
1.89
(48)
.24
(6)
.55
(14)
1.4
4.3
.24
(6)
.35
(9)
1/2-13
.87
(22)
.91
(23)
1.89
(48)
.24
(6)
.55
(14)
1.4
5.6
.31
(8)
.31
(8)
5/8-11
1.02
(26)
1.10
(28)
2.28
(58)
.31
(8)
.67
(17)
1.9
5.9
.31
(8)
.47
(12)
5/8-11
1.0 2
(26)
1.10
(28)
2.28
(58)
.31
(8)
.67
(17)
1.9
6.3
.39
(10)
.47
(12)
5/8-11
1.02
(26)
1.10
(28)
2.28
(58)
.31
(8)
.67
(17)
2.1
8.5
Inch Size Plungers With Threaded Spindle

Dimensions in:

inches
(millimeters)

Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
l3
d4
Thread
l5
Spindle
Length
d5
l6
l4
A/F
Spring Load Lbs.
Without
Lock Nut
With
Lock Nut
Initial
End
.16
(4)
.16
(4)
5/16-18
.63
(16)
M3 x .5
.18
(4.5)
.28
(7)
.1
(2.5)
.20
(5)
.39
(10)
.9
2.7
.16
(4)
.24
(6)
5/16-18
.63
(16)
M3 x .5
.18
(4.5)
.28
(7)
.1
(2.5)
.20
(5)
.39
(10)
.9
2.8
.20
(5)
.20
(5)
3/8-16
.71
(18)
M4 x .7
.27
(5.5)
.31
(8)
.12
(3)
.24
(6)
.47
(12)
1.1
3.4
.20
(5)
.31
(8)
3/8-16
.71
(18)
M4 x .7
.27
(5.5)
31
(8)
.12
(3)
.24
(6)
.47
(12)
1.1
3.6
.24
(6)
.24
(6)
1/2-13
.87
(22)
M5 x .8
.28
(7)
.35
(9)
.14
(3.5)
.24
(6)
.55
(14)
1.4
4.3
.24
(6)
.35
(9)
1/2-13
.87
(22)
M5 x .8
.28
(7)
.35
(9)
.14
(3.5)
.24
(6)
.55
(14)
1.4
5.6
.31
(8)
.31
(8)
5/8-11
1.02
(26)
M6 x 1.0
.33
(8.5)
.39
(10)
.16
(4)
.31
(8)
.67
(17)
1.9
5.9
.31
(8)
.47
(12)
5/8-11
1.02
(26)
M6 x 1.0
.33
(8.5)
.39
(10)
.16
(4)
.31
(8)
.67
(17)
1.9
6.3
.39
(10)
.47
(12)
5/8-11
1.02
(26)
M6 x 1.0
.33
(8.5)
.39
(10)
.16
(4)
.31
(8)
.67
(17)
2.1
8.5
Metric Size Plungers With Pull Knob

Dimensions in:

millimeters
(inches)

Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
l3
d3
l2
l4
A/F
Spring Load N
Without
Lock Nut
With
Lock Nut
Initial
End
4
(.16)
4
(.16)
M8 x 1.0
16
(.63)
16
(.63)
35
(1.38)
5
(.20)
10
(.39)
4
12
4
(.16)
6
(.24)
M8 x 1.0
16
(.63)
16
(.63)
35
(1.38)
5
(.20)
10
(.39)
4
12.5
5
(.20)
5
(.20)
M10 x 1.0
18
(.71)
19
(.75)
40
(1.57)
6
(.24)
12
(.47)
5
15
5
(.20)
8
(.31)
M10 x 1.0
18
(.71)
19
(.75)
40
(1.57)
6
(.24)
12
(.47)
5
16
6
(.24)
6
(.24)
M12 x 1.5
22
(.87)
23
(.91)
48
(1.89)
6
(.24)
14
(.55)
6
19
6
(.24)
9
(.35)
M12 x 1.5
22
(.87)
23
(.91)
48
(1.89)
6
(.24)
14
(.55)
6
25
8
(.31)
8
(.31)
M16 x 1.5
26
(1.02)
28
(1.10)
58
(2.28)
8
(.31)
17
(.67)
8.5
26
8
(.31)
12
(.47)
M16 x 1.5
26
(1.02)
28
(1.10)
58
(2.28)
8
(.31)
17
(.67)
8.5
28
10
(.39)
12
(.47)
M16 x 1.5
26
(1.02)
28
(1.10)
58
(2.28)
8
(.31)
17
(.67)
9.5
38
12
(.47)
15
(.59)
M20 x 1.5
33
(1.30)
28
(1.10)
67
(2.64)
10
(.39)
22
(.87)
11.5
40
   
Metric Size Plungers With Threaded Spindle

Dimensions in:

millimeters
(inches)

Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
l3
d4
Thread
l5
Spindle
Length
d5
l6
l4
A/F
Spring Load N
Without
Lock Nut
With
Lock Nut
Initial
End
4
(.16)
4
(.16)
M8 x 1.0
16
(.63)
M3 x .5
4.5
(.18)
7
(.28)
2.5
(.10)
5
(.20)
10
(.39)
4
12
4
(.16)
6
(.24)
M8 x 1.0
16
(.63)
M3 x .5
4.5
(.18)
7
(.28)
2.5
(.10)
5
(.20)
10
(.39)
4
12.5
5
(.20)
5
(.20)
M10 x 1.0
18
(.71)
M4 x .7
5.5
(.27)
8
(.31)
3
(.12)
6
(.24)
12
(.47)
5
15
5
(.20)
8
(.31)
M10 x 1.0
18
(.71)
M4 x .7
5.5
(.27)
8
(.31)
3
(.12)
6
(.24)
12
(.47)
5
16
6
(.24)
6
(.24)
M12 x 1.5
22
(.87)
M5 x .8
7
(.28)
9
(.35)
3.5
(.14)
6
(.24)
14
(.55)
6
19
6
(.24)
9
(.35)
M12 x 1.5
22
(.87)
M5 x .8
7
(.28)
9
(.35)
3.5
(.14)
6
(.24)
14
(.55)
6
25
8
(.31)
8
(.31)
M16 x 1.5
26
(1.02)
M6 x 1.0
8.5
(.33)
10
(.39)
4
(.16)
8
(.31)
17
(.67)
8.5
26
8
(.31)
12
(.47)
M16 x 1.5
26
(1.02)
M6 x 1.0
8.5
(.33)
10
(.39)
4
(.16)
8
(.31)
17
(.67)
8.5
28
10
(.39)
12
(.47)
M16 x 1.5
26
(1.02)
M6 x 1.0
8.5
(.33)
10
(.39)
4
(.16)
8
(.31)
17
(.67)
9.5
38
12
(.47)
15
(.59)
M20 x 1.5
33
(1.30)
M6 x 1.0
8.5
(.33)
10
(.39)
4
(.16)
8
(.31)
22
(.87)
11.5
40