2 3/4 U.S.S. FLAT WASHER ZC ASME B18.22.1 1965 (R 1998) IFI 7 USS FLAT WASHERS ZINC ID 2 7/8” OD 5 1/4” TH 1/4” APPROX 88 PCS = 100 LBS 35 PCS = 40 LBS