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 6110-01-400-4207
NSN 6110-01-411-7478
NSN 6110-00-777-2547
NSN 6610-01-095-1459
NSN 5920-00-403-4683
NSN 2925-01-364-7926
NSN 6620-01-213-8772
NSN 6610-01-364-8295
NSN 6135-01-252-0315
NSN 5920-01-552-9191
NSN 2925-00-471-1128
NSN 6135-01-428-8821