SPSDN Spring Plungers Stainless Steel, with Delrin® Plastic Nose Pin, with Slot

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Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

corrosion-resistant
precise fit
environmentally friendly

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Standard Sheet SPSDN Print This Page Stainless Steel Characteristics

Product description

Information

SPSDN 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 locking element is supplied as either a patch or pellet and is not recommended for use in aluminum applications.

Specification

Housing / spring
Stainless steel AISI 303

Nose pin
Delrin® plastic

RoHS compliant

Technical drawing

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

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Part Options / Table

Type

KN	Stainless steel, standard spring load
KSN	Stainless 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 KN) Initial	End	Spring load ≈ High (Type KSN) Initial	End

L04-3222	L04-3249	8 x 32*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	-	-
L04-3225	L04-3252	8 x 36*	0.070	0.437	0.052	0.50 lbf (2.22 N)	1.50 lbf (6.67 N)	-	-
L04-3228	L04-3255	10 x 32*	0.093	0.468	0.065	0.75 lbf (3.33 N)	2.50 lbf (11.12 N)	-	-
L04-3231	L04-3258	1/4 x 20	0.119	0.531	0.078	1.00 lbf (4.44 N)	3.50 lbf (15.56 N)	-	-
L04-3234	L04-3261	5/16 x 18	0.135	0.562	0.084	1.25 lbf (5.56 N)	4.00 lbf (17.79 N)	-	-
L04-3237	L04-3264	3/8 x 16	0.186	0.625	0.110	1.50 lbf (6.67 N)	5.00 lbf (22.24 N)	-	-
L04-3240	L04-3267	1/2 x 13	0.248	0.750	0.151	1.75 lbf (7.78 N)	5.50 lbf (24.46 N)	-	-
L04-3243	L04-3270	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 KN) Initial	End	Spring load ≈ High (Type KSN) Initial	End

L04-3168	L04-3195	8 x 32*	0.070	0.437	0.052	-	-	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
L04-3171	L04-3198	8 x 36*	0.070	0.437	0.052	-	-	1.50 lbf (6.67 N)	4.75 lbf (21.12 N)
L04-3174	L04-3201	10 x 32*	0.093	0.468	0.065	-	-	1.75 lbf (7.78 N)	6.25 lbf (27.80 N)
L04-3177	L04-3204	1/4 x 20	0.119	0.531	0.078	-	-	3.00 lbf (13.34 N)	10.50 lbf (46.70 N)
L04-3180	L04-3207	5/16 x 18	0.135	0.562	0.084	-	-	3.75 lbf (16.68 N)	15.50 lbf (68.94 N)
L04-3183	L04-3210	3/8 x 16	0.186	0.625	0.110	-	-	4.50 lbf (20.01 N)	18.50 lbf (82.29 N)
L04-3186	L04-3213	1/2 x 13	0.248	0.750	0.151	-	-	5.00 lbf (22.24 N)	28.00 lbf (124.55 N)
L04-3189	L04-3216	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 KN) Initial	End	Spring load ≈ High (Type KSN) 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)