Is this the washer?
Nylon 6/6 Flat Washer, Plain Finish, Off-White, 7/16" Hole Size, 0.5" ID, 0.69" OD, 0.03" Nominal Thickness (Pack of 100) https://www.amazon.com/dp/B009OLQWLC/ref=cm_sw_r_cp_api_glt_fabc_H307QC3WD13BNWAR2Y02?psc=1
Is this the washer?
Nylon 6/6 Flat Washer, Plain Finish, Off-White, 7/16" Hole Size, 0.5" ID, 0.69" OD, 0.03" Nominal Thickness (Pack of 100) https://www.amazon.com/dp/B009OLQWLC/ref=cm_sw_r_cp_api_glt_fabc_H307QC3WD13BNWAR2Y02?psc=1