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 5920-01-073-1231
NSN 2925-01-364-7926
NSN 6220-00-396-0039
NSN 5998-00-448-5910
NSN 5985-01-070-8328
NSN 5835-01-015-4610
NSN 5905-01-311-5001
NSN 5960-01-516-7264
NSN 6105-01-363-9225
NSN 6685-01-116-9891
NSN 7035-00-794-0792
NSN 5910-00-183-0828