NAS1149 / AN960 700pc stainless flat washer assortment. Our 700pc NAS1149 / AN960 assortment is perfect for the hangar when you need to replace worn or missing flat washers on your aircraft. Our kit contains approved hardware and in all the poplar sizes. The kit contains 100pc of each of the following: NAS1149CN632R / AN960C6 (#6), NAS1149CN832R / AN960C8 (#8), NAS1149C0332R / AN960C10 (#10 THIN), NAS1149C0363R / AN960C10 (#10), NAS1149C0463R / AN960C416 (1/4″), NAS1149C0563R / AN960C516 (5/16″), NAS1149C0663R / AN960C616 (3/8″). Assembled with all approved hardware.