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 6110-00-739-6692
NSN 6135-01-329-7994
NSN 6130-00-110-5194
NSN 4140-01-318-1197
NSN 5999-01-369-7487
NSN 5965-00-905-7561
NSN 6610-01-473-5678
NSN 5925-01-236-6722
NSN 5990-01-122-9149
NSN 5915-01-306-2264
NSN 5999-01-220-4010
NSN 6240-01-567-1648