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 5965-01-147-5847
NSN 6240-00-419-4301
NSN 4140-00-162-0859
NSN 6240-01-428-9410
NSN 6240-00-218-1480
NSN 6685-01-272-9247
NSN 5905-01-649-7497
NSN 5920-00-683-7883
NSN 5999-00-830-4845
NSN 6150-01-426-8986
NSN 6105-01-066-0330
NSN 6135-01-167-7604