1 results for "Flat Washer - 4 x 5/16 FLATWASHR-M14 METRIC" between $0 and $16

West Marine

$16

Overview of Flat Washer - 4 x 5/16. Either 18-8 stainess steel or 316 stainless steel. The way to tell the difference is that the 316 washers have a four digit FASCO# preceded by a "3" for a total of 5 digits, except for sku 5375837, which is 18-8. FASCO numbers that do not adhere to the above described format are 18-8 stainless steel.