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 6650-01-391-7527
NSN 5905-01-200-7445
NSN 6105-00-960-6327
NSN 5915-01-278-5929
NSN 5996-00-407-4661
NSN 5998-00-519-6418
NSN 6645-01-213-1739
NSN 5855-01-608-9075
NSN 5999-01-210-5309
NSN 5930-01-630-5748
NSN 6240-01-329-4979
NSN 5985-01-422-1552