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 5990-01-443-2931
NSN 5950-01-420-6528
NSN 6150-01-285-1473
NSN 5895-00-067-9058
NSN 5965-01-354-2029
NSN 6150-01-606-0739
NSN 5996-00-368-6745
NSN 5998-01-050-9471
NSN 5985-01-030-6859
NSN 5998-01-417-9660
NSN 6645-00-256-4072
NSN 6610-01-416-2738