SPDN Spring Plungers Steel, with Delrin® Plastic Nose Pin, with Slot

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Standard Sheet SPDN Print This Page

Product description

Information

SPDN spring plungers are 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 parallel to each other.

The nylon locking element is not recommended for use in aluminum applications.

Specification

Housing
Steel, case-hardened

Nose pin
Delrin® plastic

Spring
Steel

RoHS compliant

Technical drawing

SPDN Steel Spring Plungers, with Delrin® Plastic Nose Pin, with Slot sketch

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Part Options / Table

Type

K	Steel, standard spring load
KS	Steel, high spring load

Identification

A	Without locking element
N	With locking element

Part Number A - Without locking element	Part Number N - With locking element	d₁ Thread	d₂	Length l	w Compression	Spring load ≈ Standard (Type K) Initial	End	Spring load ≈ High (Type KS) Initial	End

L04-2962	L04-2989	8 x 32*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	-	-
L04-2965	L04-2992	8 x 36*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	-	-
L04-2968	L04-2995	10 x 32*	0.093	0.468	0.065	0.75 lbf (3.33 N)	2.50 lbf (11.12 N)	-	-
L04-2971	L04-2998	1/4 x 20	0.119	0.531	0.078	1.00 lbf (4.44 N)	3.50 lbf (15.56 N)	-	-
L04-2974	L04-3001	5/16 x 18	0.135	0.562	0.084	1.25 lbf (5.56 N)	4.00 lbf (17.79 N)	-	-
L04-2977	L04-3004	3/8 x 16	0.186	0.625	0.110	1.50 lbf (6.67 N)	5.00 lbf (22.24 N)	-	-
L04-2980	L04-3007	1/2 x 13	0.248	0.750	0.151	1.75 lbf (7.78 N)	5.50 lbf (24.46 N)	-	-
L04-2983	L04-3010	5/8 x 11	0.310	1.062	0.215	2.00 lbf (8.89 N)	8.50 lbf (37.80 N)	-	-

Part Number A - Without locking element	Part Number N - With locking element	d₁ Thread	d₂	Length l	w Compression	Spring load ≈ Standard (Type K) Initial	End	Spring load ≈ High (Type KS) Initial	End

L04-2908	L04-2935	8 x 32*	0.070	0.437	0.052	-	-	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
L04-2911	L04-2938	8 x 36*	0.070	0.437	0.052	-	-	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
L04-2914	L04-2941	10 x 32*	0.093	0.468	0.065	-	-	1.75 lbf (7.78 N)	6.25 lbf (27.80 N)
L04-2917	L04-2944	1/4 x 20	0.119	0.531	0.078	-	-	3.00 lbf (13.34 N)	10.50 lbf (46.70 N)
L04-2920	L04-2947	5/16 x 18	0.135	0.562	0.084	-	-	3.75 lbf (16.68 N)	15.50 lbf (68.94 N)
L04-2923	L04-2950	3/8 x 16	0.186	0.625	0.110	-	-	4.50 lbf (20.01 N)	18.50 lbf (82.29 N)
L04-2926	L04-2953	1/2 x 13	0.248	0.750	0.151	-	-	5.00 lbf (22.24 N)	28.00 lbf (124.55 N)
L04-2929	L04-2956	5/8 x 11	0.310	1.062	0.215	-	-	7.00 lbf (31.13 N)	50.00 lbf (222.41 N)

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Inch

Dimensions in: Inch (change to Metric)

d₁ Thread	d₂	Length l	w Compression	Spring load ≈ Standard (Type K) Initial	End	Spring load ≈ High (Type KS) Initial	End

8 x 32*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
8 x 36*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
10 x 32*	0.093	0.468	0.065	0.75 lbf (3.33 N)	2.50 lbf (11.12 N)	1.75 lbf (7.78 N)	6.25 lbf (27.80 N)
1/4 x 20	0.119	0.531	0.078	1.00 lbf (4.44 N)	3.50 lbf (15.56 N)	3.00 lbf (13.34 N)	10.50 lbf (46.70 N)
5/16 x 18	0.135	0.562	0.084	1.25 lbf (5.56 N)	4.00 lbf (17.79 N)	3.75 lbf (16.68 N)	15.50 lbf (68.94 N)
3/8 x 16	0.186	0.625	0.110	1.50 lbf (6.67 N)	5.00 lbf (22.24 N)	4.50 lbf (20.01 N)	18.50 lbf (82.29 N)
1/2 x 13	0.248	0.750	0.151	1.75 lbf (7.78 N)	5.50 lbf (24.46 N)	5.00 lbf (22.24 N)	28.00 lbf (124.55 N)
5/8 x 11	0.310	1.062	0.215	2.00 lbf (8.89 N)	8.50 lbf (37.80 N)	7.00 lbf (31.13 N)	50.00 lbf (222.41 N)