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 5990-00-880-8225
NSN 5915-01-458-5487
NSN 5935-01-186-7475
NSN 4140-00-781-4745
NSN 5925-01-215-1386
NSN 6685-01-552-6047
NSN 6220-01-577-0041
NSN 5965-01-416-9564
NSN 5998-00-603-9400
NSN 5910-00-443-1185
NSN 6150-00-452-9078
NSN 5920-01-015-5720