Item # EDHSLW1250XXX, Extra-Duty Helical Spring Lock Washer, 1.280" I.D. On Sales Systems Ltd.

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Sales Systems Limited Products and Services > Fasteners Reference Guide > Washers > Lock Washers > Extra-Duty Helical Spring Lock Washers > Item # EDHSLW1250XXX


	Item # EDHSLW1250XXX, Extra-Duty Helical Spring Lock Washer, 1.280" I.D.

Extra Duty Spring Lock Washer

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Dimensions are in inches.
Formerly designated Extra Heavy Helical Spring Lock Washers.

Standard Stock Material

Carbon Steel
Stainless Steel
Phosphorus Bronze

Manufacturer · Specifications · Codes and Standards

Manufacturer

Manufacturer		Industrial Fasteners Institute

Specifications

Product		Washers

Unit of Measure		English

Nominal Washer Size		1-1/4 in

Nominal Washer Size (Decimal)		1.2500 in

Max. Inside Diameter (A)		1.280 in

Min. Inside Diameter (A)		1.254 in

Max. Outside Diameter (B)		2.222 in

Min. Mean Section Thickness (t_i + t_o)/2		0.417 in

Min. Section Width (W)		0.452 in

Min. Bearing Width (BW)		0.316 in

Material		Carbon Steel Phosphorus Bronze Stainless Steel

Codes and Standards

Codes and Standards		ASME B18.21.1 1999

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