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 5999-01-406-3161
NSN 6620-01-503-6576
NSN 5925-01-210-1678
NSN 6145-00-703-6292
NSN 6130-01-572-2049
NSN 6650-00-113-4102
NSN 5998-01-576-9622
NSN 5945-01-499-9011
NSN 6130-01-325-1926
NSN 5935-01-468-3037
NSN 5960-01-477-9997
NSN 7035-01-076-0688