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 5998-00-156-4574
NSN 5996-00-366-0233
NSN 5915-01-232-0860
NSN 6320-01-515-7913
NSN 5965-01-260-7021
NSN 6145-01-296-5580
NSN 5950-00-351-1390
NSN 6610-00-148-2922
NSN 6650-01-050-8680
NSN 5960-00-842-5077
NSN 6645-01-460-9671
NSN 5999-01-246-7406