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 6240-00-474-5809
NSN 6220-01-429-9538
NSN 6145-01-454-0225
NSN 5960-01-069-8028
NSN 5999-01-282-2847
NSN 5999-00-300-7337
NSN 6685-00-137-7707
NSN 5910-01-258-4620
NSN 5905-01-027-9341
NSN 5965-01-443-3000
NSN 5975-01-056-4727
NSN 6320-00-405-2348