Inch and Metric Size, Steel
Indexing Plungers with T-Handle
With and Without Rest Position 		GN 817.4


RoHS Compliant
 

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Specification
Information

Body: Steel, black oxide finish  
Plunger pin: Steel, black oxide finish, hardened
T-handle: Technolpolymer plastic (Polyamid PA), not removable
Lock nut: Steel, ISO 8675 (DIN 439)


 GN 817.4 indexing plungers are similar to GN 817, but with a T-handle instead of a round head knob. This shape allows better visual orientation of the indexing position of the Type C version, and is advantageous when greater unlocking forces occur.
Type C with rest position is used in applications where the plunger must not protrude continually. In that case the knob is retracted and afterwards turned by 90°. A notch keeps the plunger in this position.
For stainless steel version see GN 817.4.

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Inch Size Type B - Without Rest Position

Dimensions in:

inches
(millimeters)
Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
k
l2
l3
l4
l5
A/F
Spring Load N ˜
Without
Lock Nut
With
Lock Nut
Initial
End
.24
(6)
.24
(6)
1/2-13
.79
(20)
1.89
(48)
.87
(22)
.24
(6)
2.13
(54)
.55
(14)
6.5
19
.24
(6)
.35
(9)
1/2-13
.79
(20)
1.89
(48)
.87
(22)
.24
(6)
2.13
(54)
.55
(14)
6
25
.31
(8)
.31
(8)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
8.5
26
.31
(8)
.47
(12)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
8.5
28
.39
(10)
.47
(12)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
9.5
38
 
Inch Size Type C - With Rest Position

Dimensions in:

inches
(millimeters)
Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
k
l2
l3
l4
l5
A/F
Spring Load N ˜
Without
Lock Nut
With
Lock Nut
Initial
End
.24
(6)
.24
(6)
1/2-13
.79
(20)
1.89
(48)
.87
(22)
.24
(6)
2.13
(54)
.55
(14)
6.5
19
.24
(6)
.35
(9)
1/2-13
.79
(20)
1.89
(48)
.87
(22)
.24
(6)
2.13
(54)
.55
(14)
6
25
.31
(8)
.31
(8)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
8.5
26
.31
(8)
.47
(12)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
8.5
28
.39
(10)
.47
(12)
5/8-11
.98
(25)
2.32
(59)
1.02
(26)
.31
(8)
2.32
(59)
.67
(17)
9.5
38
 
Metric Size Type B - Without Rest Position

Dimensions in:

millimeters
(inches)
Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
k
l2
l3
l4
l5
A/F
Spring Load N ˜
Without
Lock Nut
With
Lock Nut
Initial
End
6
(.24)
6
(.24)
M12 x 1.5
20
(.79)
48
(1.89)
22
(.87)
6
(.24)
54
(2.13)
14
(.55)
6.5
19
6
(.24)
9
(.35)
M12 x 1.5
20
(.79)
48
(1.89)
22
(.87)
6
(.24)
54
(2.13)
14
(.55)
6
25
8
(.31)
8
(.31)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
8.5
26
8
(.31)
12
(.47)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
8.5
28
10
(.39)
12
(.47)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
9.5
38
12
(.47)
15
(.59)
M20 x 1.5
25
(.98)
68
(2.68)
33
(1.30)
10
(.39)
59
(2.32)
22
(.87)
11.5
40
   
Metric Size Type C - With Rest Position

Dimensions in:

millimeters
(inches)
Part Number
d1
-0.02mm
-0.04mm
l1
min.
d2
Thread
k
l2
l3
l4
l5
A/F
Spring Load N ˜
Without
Lock Nut
With
Lock Nut
Initial
End
6
(.24)
6
(.24)
M12 x 1.5
20
(.79)
48
(1.89)
22
(.87)
6
(.24)
54
(2.13)
14
(.55)
6.5
19
6
(.24)
9
(.35)
M12 x 1.5
20
(.79)
48
(1.89)
22
(.87)
6
(.24)
54
(2.13)
14
(.55)
6
25
8
(.31)
8
(.31)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
8.5
26
8
(.31)
12
(.47)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
8.5
28
10
(.39)
12
(.47)
M16 x 1.5
25
(.98)
59
(2.32)
26
(1.02)
8
(.31)
59
(2.32)
17
(.67)
9.5
38
12
(.47)
15
(.59)
M20 x 1.5
25
(.98)
68
(2.68)
33
(1.30)
10
(.39)
59
(2.32)
22
(.87)
11.5
40