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 5920-00-758-1348
NSN 6685-01-054-3166
NSN 6685-01-147-8611
NSN 5996-01-374-4798
NSN 5915-01-493-8926
NSN 4140-01-453-5596
NSN 5915-00-594-7786
NSN 5998-00-134-1303
NSN 5975-01-429-4228
NSN 5996-01-659-9365
NSN 6145-00-338-5645
NSN 6220-01-394-5263