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 6645-01-428-1618
NSN 5930-01-428-9269
NSN 4140-00-820-1173
NSN 5960-01-113-4839
NSN 5925-00-492-2318
NSN 5950-01-497-3581
NSN 5965-01-431-8147
NSN 5965-01-239-4034
NSN 5905-01-490-7808
NSN 5905-01-652-5563
NSN 6150-01-527-4743
NSN 6220-01-502-7936