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 |
| 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 |