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 5990-01-280-0321
NSN 5925-01-587-4682
NSN 5935-00-739-2282
NSN 6220-01-398-0614
NSN 5999-01-115-4287
NSN 6610-01-034-5226
NSN 6610-00-762-5667
NSN 5895-00-554-4573
NSN 2925-00-714-3932
NSN 6135-01-348-4056
NSN 6110-00-379-9693
NSN 5960-01-023-8037