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 5950-01-397-1558
NSN 6135-00-027-3914
NSN 6130-00-853-7177
NSN 6110-00-904-8925
NSN 6650-01-406-5322
NSN 5910-00-572-6217
NSN 5965-00-393-1294
NSN 5998-00-285-6367
NSN 5996-00-313-9180
NSN 6320-00-823-2015
NSN 5960-01-628-2760
NSN 5985-01-023-1708