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 4140-01-389-0595
NSN 6240-00-740-8901
NSN 4140-01-105-9177
NSN 5965-00-615-5731
NSN 5999-01-607-5302
NSN 5920-01-572-0246
NSN 5985-00-263-2469
NSN 6320-00-809-5744
NSN 6105-01-123-8887
NSN 5985-00-339-2318
NSN 6645-01-483-5519
NSN 7035-01-602-9350