There is a minimum order of $100.00

MIL-SPEC HEAVY HELICAL SPRING SPLIT LOCKWASHERS

With an increased O.D., thickness and bearing area, this mil-spec split washer is ideal for heavier duty applications involving the application of higher tightening torques. The Heavy Section helical spring lock washer contributes significantly to the maintenance of tightness or tension in applications involving screws, bolts and nuts under high loads.

We also have Heavy Helical Spring Split Lockwashers.

Material Code Table

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:
1/4 HVY 304 SS is a 1/4 Heavy type 304 Stainless Steel

Finish Code Table

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

Nominal	Inside Diameter		Outside			MS51416
Washer	A		Diameter	Width	Thickness	Dash
Size	Min.	Max.	B	C	D	Number
1/4	.252	.260	.533	.132	.084	1
5/16	.314	.322	.619	.143	.108	2
1/2	.502	.512	.935	.204	.162	3

WCL Company • 16730 East Johnson Dr. • P.O. Box 3588 • Industry, CA 91744
Tel (626) 968-5523 • Fax (626) 369-9805 • We are Open 7am - 4:30pm, Pacific

WCL Company specializes in reliable low-cost, engineered high-performance fasteners, fittings, plastic components, washers, nuts, and a wide array of fastener components. WCL has 50 years of experience with all types of standard and engineered fasteners, and provides a comprehensive line of fastener products for sale from some of the world's leading manufacturers.