With a significant reduction in washer thickness and a slight reduction in O.D., the Light Helical Spring washer is sometimes used in applications involving the reduced torques and lighter loads often associated with thin or fragile materials, or where head height clearance is limited.

Material
C/S = Carbon Steel
304 SS = Type 304 Stainless Steel
316 SS = Type 316 Stainless Steel
420 SS = Type 420 Stainless Steel
PHO = Phosphor Bronze
KM = K-Monel

Ordering Example: 1/2 LT C/S PLN is a
1/2 Light carbon Steel Plain

Finish
PLN = Plain
CD1 = Cadmium & Clear Dichromate
CD2 = Cadmium & Yellow Dichromate
CD3 = Cadmium & Black Chromate
MZ1= Mechanical Zinc & Clear Dichromate
MZ2= Mechanical Zinc & Yellow Dichromate
ZN1 = Zinc & Clear Dichromate
ZN2 = Zinc & Yellow Dichromate
BKO = Black Oxide
PHO = Phosphate
HDG = Hot Dip Galvanized
MG = Mechanical Galvanized
lw13
Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside Diameter
B
Width
C
Thickness
D
WCL
Product Number
2 .088 .094 .162 .030 .015 #2 LT-T1-T2
3 .101 .107 .185 .035 .020 #3 LT-T1-T2
4 .114 .120 .199 .035 .020 #4 LT-T1-T2
5 .127 .133 .222 .040 .025 #5 LT-T1-T2
6 .141 .148 .236 .040 .025 #6 LT-T1-T2
8 .167 .174 .277 .047 .031 #8 LT-T1-T2
10 .193 .200 .320 .056 .040 #10 LT-T1-T2
12 .220 .227 .361 .062 .047 #12 LT-T1-T2
1/4 .252 .260 .483 .107 .047 1/4 LT-T1-T2
5/16 .314 .322 .567 .117 .056 5/16 LT-T1-T2
3/8 .377 .385 .670 .136 .070 3/8 LT-T1-T2
7/16 .440 .450 .772 .154 .085 7/16 LT-T1-T2
1/2 .502 .512 .867 .170 .099 1/2 LT-T1-T2
9/16 .564 .574 .961 .186 .113 9/16 LT-T1-T2
5/8 .628 .641 1.069 .201 .126 5/8 LT-T1-T2
11/16 .691 .704 1.164 .216 .138 11/16 LT-T1-T2
3/4 .753 .766 1.262 .233 .153 3/4 LT-T1-T2
7/8 .878 .894 1.455 .264 .179 7/8 LT-T1-T2
1 1.003 1.024 1.640 .289 .202 1″ LT-T1-T2
1-1/8 1.129 1.153 1.819 .314 .224 1 1/8 LT-T1-T2
1-1/4 1.254 1.280 1.990 .336 .244 1 1/4 LT-T1-T2
1-3/8 1.379 1.408 2.158 .456 .264 1 3/8 LT-T1-T2
1-1/2 1.504 1.534 2.325 .375 .282 1 1/2 LT-T1-T2
1-5/8 1.633 1.663 2.487 .391 .344 1 5/8 LT-T1-T2
1-3/4 1.758 1.789 2.613 .391 .344 1 3/4 LT-T1-T2
2 2.008 2.039 2.868 .393 .384 2″ LT-T1-T2
2-1/4 2.262 2.293 3.191 .427 .422 2 1/4 LT-T1-T2
2-1/2 2.512 2.543 3.441 .427 .422 2 1/2 LT-T1-T2
2-3/4 2.762 2.793 3.758 .458 .458 2 3/4 LT-T1-T2
3 3.012 3.043 4.008 .458 .458 3″ LT-T1-T2