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 5920-00-916-5514
NSN 5960-00-958-5222
NSN 5975-00-233-6301
NSN 5960-01-206-8809
NSN 5950-00-074-4736
NSN 5855-01-586-3541
NSN 5905-01-501-9465
NSN 5855-00-494-9581
NSN 5990-00-170-4239
NSN 6650-01-319-6930
NSN 6610-00-822-0431
NSN 5910-01-460-9949