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 6105-00-159-1061
NSN 6110-00-011-3711
NSN 5965-01-516-1236
NSN 6105-00-922-8597
NSN 5925-01-422-4748
NSN 4140-01-107-3306
NSN 4140-01-075-3490
NSN 5990-01-458-2531
NSN 5990-00-522-3425
NSN 5930-01-634-0659
NSN 5990-00-373-9787
NSN 6685-01-446-8855