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 6145-00-168-8687
NSN 6145-01-520-6692
NSN 5920-01-023-0040
NSN 5996-01-291-3076
NSN 5895-01-416-5785
NSN 5998-01-296-6837
NSN 5950-01-598-9758
NSN 6145-00-763-6077
NSN 6145-01-422-0806
NSN 5835-01-062-2235
NSN 5905-00-998-2747
NSN 5990-00-419-7584