J.W. Winco, Inc. - Short Spring Plungers

Inch Size, Steel
Short Spring Plungers
Threaded Body Type

SPNL

RoHS Compliant

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Specification

Information

Body: Steel, black oxide finish
Nose: Heat treated steel, black oxide finish
Spring: Steel
Available with or without nylon locking element
All plungers with thread size 1/4-20 and smaller will have nylon patch.

Used for designs where space is limited, but where appreciable plunger travel and high end pressures are required. Permits use where mating surfaces must be flush.

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Light End Pressure

Dimensions in:

inches
(millimeters)

Part Number		A Thread	B	C	D	End Force Lbs. Initial	End Force Lbs. End
Standard	NLE**	A Thread	B	C	D	End Force Lbs. Initial	End Force Lbs. End
L04-2854	L04-2881*	8-32	.437 (11.10)	.052 (1.32)	.070 (1.78)	.5	1.5
L04-2857	L04-2884*	8-36	.437 (11.10)	.052 (1.32)	.070 (1.78)	.5	1.5
L04-2860	L04-2887*	10-32	.468 (11.89)	.065 (1.65)	.093 (2.36)	.75	2.5
L04-2863	L04-2890*	1/4-20	.531 (13.49)	.078 (1.98)	.119 (3.02)	1	3.5
L04-2866	L04-2893	5/16-18	.562 (14.27)	.084 (2.13)	.135 (3.43)	1.25	4
L04-2869	L04-2896	3/8-16	.625 (15.88)	.110 (2.79)	.186 (4.72)	1.5	5
L04-2872	L04-2899	1/2-13	.750 (19.05)	.151 (3.84)	.248 (6.30)	1.75	5.5
L04-2875	L04-2902	5/8-11	1.062 (26.97)	.215 (5.46)	.310 (7.87)	2	8.5

Heavy End Pressure

Dimensions in:

inches
(millimeters)

Part Number		A Thread	B	C	D	End Force Lbs. Initial	End Force Lbs. End
Standard	NLE**	A Thread	B	C	D	End Force Lbs. Initial	End Force Lbs. End
L04-2800	L04-2827*	8-32	.437 (11.10)	.052 (1.32)	.070 (1.78)	1.5	4.75
L04-2803	L04-2830*	8-36	.437 (11.10)	.052 (1.32)	.070 (1.78)	1.5	4.75
L04-2806	L04-2833*	10-32	.468 (11.89)	.065 (1.65)	.093 (2.36)	1.75	6.25
L04-2809	L04-2836*	1/4-20	.531 (13.49)	.078 (1.98)	.119 (3.02)	3	10.5
L04-2812	L04-2839	5/16-18	.562 (14.27)	.084 (2.13)	.135 (3.43)	3.75	15.5
L04-2815	L04-2842	3/8-16	.625 (15.88)	.110 (2.79)	.186 (4.72)	4.5	18.5
L04-2818	L04-2845	1/2-13	.750 (19.05)	.151 (3.84)	.248 (6.30)	5	28
L04-2821	L04-2848	5/8-11	1.062 (26.97)	.215 (5.46)	.310 (7.87)	7	50

* With nylon patch
**With nylon locking element. Not recommended in aluminum applications.