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 6240-01-592-1261
NSN 5920-01-042-5058
NSN 6110-00-221-8559
NSN 6685-01-105-6841
NSN 5996-01-473-2183
NSN 6320-00-519-0770
NSN 7035-01-211-5636
NSN 5965-01-622-6982
NSN 4140-01-634-0330
NSN 5920-01-459-7374
NSN 5905-01-568-5651
NSN 5910-01-370-3977