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 6240-01-514-4184
NSN 6145-00-130-3558
NSN 6145-00-348-4320
NSN 5835-01-246-0972
NSN 6150-00-152-9901
NSN 5990-01-147-5225
NSN 6145-01-142-2234
NSN 6145-00-010-5135
NSN 5905-01-086-8933
NSN 5998-00-419-0425
NSN 6130-01-141-7038
NSN 7035-01-177-2807