A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6150-01-492-2755
NSN 5996-01-258-7356
NSN 6135-01-173-6306
NSN 5920-01-478-7251
NSN 2925-00-144-6405
NSN 6145-00-779-9963
NSN 5990-00-167-2692
NSN 6145-01-359-4691
NSN 6110-01-485-0124
NSN 6240-01-459-0172
NSN 5915-00-774-3716
NSN 6135-00-782-6988