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 5996-01-431-7013
NSN 5945-01-535-6385
NSN 5915-01-174-7542
NSN 6145-01-346-7877
NSN 5999-01-278-9377
NSN 6150-01-521-4027
NSN 4140-01-118-8918
NSN 5985-01-019-6168
NSN 5915-00-857-3007
NSN 6105-01-073-6398
NSN 5925-01-398-0517
NSN 5960-01-170-4057