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 6130-01-152-2019
NSN 6320-01-473-3848
NSN 6320-01-232-4664
NSN 5910-00-518-1477
NSN 5835-01-101-5857
NSN 6645-01-073-5302
NSN 5999-01-466-1548
NSN 5905-00-657-9988
NSN 6150-00-243-7449
NSN 6150-01-023-1516
NSN 5996-01-574-7325
NSN 5960-00-991-1135