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 5998-01-467-1473
NSN 5925-01-408-1143
NSN 7035-01-227-7492
NSN 6150-01-308-7056
NSN 5985-00-762-7560
NSN 2925-01-387-0870
NSN 5990-00-809-0088
NSN 6145-01-226-5038
NSN 6610-01-392-9620
NSN 5835-01-364-6830
NSN 5985-00-240-3980
NSN 6220-01-525-1752