Workholding Components - Jergens & Acme - #38

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6 Jergens, Inc. • Jergens Way • 15700 S. Waterloo Road • Cleveland, Ohio 44110-3898 USA WORKHOLDING COMPONENTS www.jergensinc.com 6.38 Heavy Duty Square Washers Washers Swing “C” Washer Assembly • Material: Low Carbon Steel • Finish: Black Oxide • Heat Treat: Case Hardened The Swing “C” Washer has a concave center for self-locating around the stud, which prevents creeping while tightening, and allows acceptance of the mating spherical flange nuts. The Spherical Flange Nut assures that the washer cannot back out either during clamping or due to vibration during the operation. The shoulder screw has a nylon lock to prevent loosening of the screw during operation. Stud Part Number Part Size Shoulder Spherical Wt. Number A B C D E F G R Screw Flange Nut (lbs) 37301* 1 3/8 1/4 13/16 5/16-18 1/2 3/8 3/4 41707 39704 .12 37302 1 1/4 1/2 3/8 1 1/8 5/16-18 1/2 1/2 1 41708 39705 .30 37303* 1 1/2 5/8 3/8 1 5/16 3/8-16 5/8 9/16 1 1/8 41713 39706 .39 37304* 1 3/4 3/4 1/2 1 9/16 3/8-16 5/8 5/8 1 1/4 41714 39707 .72 *Conforms to TCMA • Material: Low Carbon Steel • Finish: Black Oxide • Heat Treat: Case Hardened • Flange Nut and Shoulder Screw Provided Part ±.010 ±.010 Bolt Number A B Size Thickness 31920 11/32 1 3/8 5/16 3/16 31921 13/32 1 3/8 3/8 3/16 31932 17/32 1 3/8 1/2 1/4 31933 17/32 2 1/2 1/4 31934 21/32 2 5/8 1/4 31935 13/16 2 3/4 1/4 31922 15/16 2 7/8 1/4 31936 13/16 2 1/2 3/4 1/4 31923 15/16 2 1/2 7/8 1/4 31937 1 1/16 2 1/2 1 1/4 31924 13/16 3 3/4 5/16 31925 15/16 3 7/8 5/16 31926 1 1/16 3 1 5/16 31927 1 1/16 3 1 3/8 31928 1 5/16 3 1 1/4 3/8 31929 1 9/16 3 1 1/2 3/8