EN 615
Threaded ball spring plungers
EN 615 - Threaded ball spring plungers
RoHS status
EN 615 - Threaded ball spring plungers
Elesa Standards Main dimensions Spring pressure Weight
With locking patch Without locking patch  
Code Description d l d1 l1 Preload
[lbf]
[N]
Max. load
[lbf]
[N]
lbs
g
EN.933100 EN.933099 EN 615-4-48-K* 4-48
-
0.187
4.76
0.06
1.6
0.02
0.5
0.1
0.44
0.5
2.23
0.002
1
EN.933102 EN.933101 EN 615-5-40-K* 5-40
-
0.252
6.4
0.06
1.6
0.02
0.5
0.3
1.3
0.8
3.6
0.002
1
EN.933104 EN.933103 EN 615-6-32-K* 6-32
-
0.311
7.9
0.08
2
0.02
0.6
0.5
2.2
1
4.5
0.002
1
EN.933106 EN.933105 EN 615-6-40-K* 6-40
-
0.311
7.9
0.08
2
0.02
0.6
0.5
2.2
1
4.5
0.002
1
EN.933108 EN.933107 EN 615-8-32-K* 8-32
-
0.343
8.7
0.09
2.4
0.02
0.6
0.8
3.6
1.3
5.8
0.002
1
EN.933110 EN.933109 EN 615-8-36-K* 8-36
-
0.343
8.7
0.09
2.4
0.02
0.6
0.8
3.6
1.3
5.8
0.002
1
EN.933112 EN.933111 EN 615-10-32-L* 10-32
-
0.516
13.1
0.09
2.4
0.02
0.6
0.9
4
1.5
6.7
0.002
1
EN.933114 EN.933113 EN 615-10-32-K* 10-32
-
0.52
13.1
0.09
2.4
0.02
0.6
2
9
3.1
14
0.002
1
EN.933116 EN.933115 EN 615-10-32-KS* 10-32
-
0.52
13.1
0.09
2.4
0.02
0.6
3.3
14.7
4.8
21.4
0.002
1
EN.933122 EN.933121 EN 615-1/4-20-L* 1/4-20
-
0.53
13.5
0.13
3.2
0.04
0.9
2.1
9.4
4
17.8
0.004
2
EN.933124 EN.933123 EN 615-1/4-20-K* 1/4-20
-
0.53
13.5
0.13
3.2
0.04
0.9
3.8
16.9
6.8
30.35
0.004
2
EN.933126 EN.933125 EN 615-1/4-20-KS* 1/4-20
-
0.53
13.5
0.13
3.2
0.04
0.9
5.6
25
8.6
38.4
0.004
2
EN.933142 EN.933141 EN 615-5/16-18-L* 5/16-18
-
0.58
14.7
0.16
4
0.04
1
2
8.9
4.6
20.5
0.009
4
EN.933144 EN.933143 EN 615-5/16-18-K* 5/16-18
-
0.58
14.7
0.16
4
0.04
1
4
17.8
8.4
37.5
0.009
4
EN.933146 EN.933145 EN 615-5/16-18-KS* 5/16-18
-
0.58
14.7
0.16
4
0.04
1
6
26.7
11.1
49.5
0.009
4
EN.933152 EN.933151 EN 615-3/8-16-L* 3/8-16
-
0.63
15.9
0.19
4.8
0.05
1.2
2.5
11.1
5
22.3
0.011
5
EN.933154 EN.933153 EN 615-3/8-16-K* 3/8-16
-
0.63
15.9
0.19
4.8
0.05
1.2
5
22.3
10.3
45.9
0.011
5
EN.933156 EN.933155 EN 615-3/8-16-KS* 3/8-16
-
0.63
15.9
0.19
4.8
0.05
1.2
7.5
33.5
15.1
67.4
0.011
5
EN.933162 EN.933161 EN 615-1/2-13-L* 1/2-13
-
0.75
19.1
0.28
7.1
0.07
1.8
3
13.4
6
26.8
0.026
12
EN.933164 EN.933163 EN 615-1/2-13-K* 1/2-13
-
0.75
19.1
0.28
7.1
0.07
1.8
6
26.7
12
53.6
0.026
12
EN.933166 EN.933165 EN 615-1/2-13-KS* 1/2-13
-
0.75
19.1
0.28
7.1
0.07
1.8
6
26.7
24
107.1
0.026
12
EN.933172 EN.933171 EN 615-5/8-11-L* 5/8-11
-
0.984
25
0.37
9.5
0.09
2.4
4.5
20
9
40.2
0.055
25
EN.933174 EN.933173 EN 615-5/8-11-K* 5/8-11
-
0.984
25
0.37
9.5
0.09
2.4
9
40.1
18
80.3
0.055
25
EN.933176 EN.933175 EN 615-5/8-11-KS* 5/8-11
-
0.984
25
0.37
9.5
0.09
2.4
7
31.2
40
178.6
0.055
25
*Complete the description of the standard item needed by adding /LE for plungers with nylon locking patch.
Threaded body
Black-oxide steel, screwdriver slotted head.

Standard executions
Hardened stainless steel ball and stainless steel spring.
- EN 615-L: light end force (marked with one line).
- EN 615-K: normal end force.
- EN 615-KS: heavy end force (marked with two lines).
- EN 615-L/LE: light end force with locking patch (marked with one line).
- EN 615-K/LE: normal end force with locking patch.
- EN 615-KS/LE: heavy end force with locking patch (marked with two lines).
Nylon locking patch for applications subject to vibrations or to eliminate the need for check nuts. Not recommended for applications in soft materials.
Countersink the mating thread at least .030 to .045 larger than the major diameter of the plunger to make insertion of the plunger easier.