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 5985-01-576-8902
NSN 5895-01-361-9003
NSN 6650-00-372-6035
NSN 2925-01-012-6938
NSN 6145-00-608-5484
NSN 5920-00-142-9993
NSN 5965-01-440-8257
NSN 6110-00-112-1476
NSN 5910-00-883-7418
NSN 7035-00-803-3056
NSN 2925-01-194-9737
NSN 6110-01-226-8139