Inch Size, Steel
Spring Plungers
With Delrin Nose

DNSP
dnspp

RoHS Compliant

 

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Specification
Body and spring: Steel, black oxide finish
Nose: Delrin (heavy end pressure: black; light end pressure: white)
Available with or without nylon locking element
"NLE**" (nylon locking element not recommended for
aluminum applications)


Information
Offers long life and high resistance to repeated impacts,
moisture, solvents, and heat up to 190°F. Delrin plungers
have electrical insulating properties and will not mar soft
metals such as brass or aluminum. Has a self-lubricating
surface.
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  For CAD download instructions, click
HERE
 Heavy End Pressure - Black Delrin Nose

Dimensions in:

inches
(millimeters)

 

Part Number A Thread B C D
+.000/-.002
End Pressure (lbs.)
Standard NLE** Start Final
L04-3914
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L04-3938*
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8-32 .625
(15.86)
.093
(2.36)
.070
(1.78)
2.7 7.3
L04-3917
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L04-3941*
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10-32 .75
(19.05)
.125
(3.18)
.093
(2.36)
2.9 11.1
L04-3920
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L04-3944
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1/4-20 1.00
(25.40)
.187
(4.75)
.119
(3.02)
3 13
L01-1548
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L01-1549
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1/4-28 1.00
(25.40)
.187
(4.75)
.118
(3.00)
3 13
L04-3923
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L04-3947
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5/16-18 1.00
(25.40)
.187
(4.75)
.135
(3.43)
3 15
L04-3926
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L04-3950
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3/8-16 1.125
(28.58)
.187
(4.75)
.186
(4.72)
5.5 14.5
L04-3929
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L04-3953
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1/2-13 1.25
(31.75)
.250
(6.35)
.248
(6.30)
6.6 17.4
L04-3932
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L04-3956
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5/8-11 1.50
(38.10)
.312
(7.93)
.310
(7.87)
10.5 25.5
 Light End Pressure - White Delrin Nose

Dimensions in:

inches
(millimeters)

 

Part Number A Thread B C D
+.000/-.002
End Pressure (lbs.)
Standard NLE** Start Final
L04-3962
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L04-3986*
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8-32 .625
(15.86)
.093
(2.36)
.070
(1.78)
0.7 2.3
L04-3965
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L04-3989*
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10-32 .75
(19.05)
.125
(3.18)
.093
(2.36)
1.3 2.7
L04-3968
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L04-3992
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1/4-20 1.00
(25.40)
.187
(4.75)
.119
(3.02)
1 4
L01-1550
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L01-1551
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1/4-28 1.00
(25.40)
.187
(4.75)
.118
(3.00)
1 4
L04-3971
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L04-3995
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5/16-18 1.00
(25.40)
.187
(4.75)
.135
(3.43)
1.5 4.5
L04-3974
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L04-3998
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3/8-16 1.125
(28.58)
.187
(4.75)
.186
(4.72)
2.8 7.2
L04-3977
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L04-4001
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1/2-13 1.25
(31.75)
.250
(6.35)
.248
(6.30)
2.7 9.3
L04-3980
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L04-4004
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5/8-11 1.50
(38.10)
.312
(7.93)
.310
(7.87)
3.5 10.5
* With nylon patch
**With nylon locking element. Not recommended in aluminum applications.