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 6110-00-185-2021
NSN 5998-01-590-2353
NSN 6145-01-365-0645
NSN 6105-01-411-6825
NSN 5999-01-024-8905
NSN 6685-00-574-9562
NSN 2925-01-660-0669
NSN 6320-01-415-0953
NSN 5920-00-192-6565
NSN 4140-01-268-2898
NSN 5835-00-943-2763
NSN 6220-01-044-5552