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 4140-01-104-2395
NSN 5925-01-023-9768
NSN 5930-00-622-0854
NSN 5975-00-138-9057
NSN 5895-01-416-6243
NSN 5975-01-640-7748
NSN 6610-01-359-9962
NSN 6145-01-117-5180
NSN 5960-01-157-7009
NSN 5930-01-627-6386
NSN 6105-01-091-9985
NSN 5920-00-211-4512