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 5990-01-605-4769
NSN 6130-00-037-9625
NSN 2925-01-606-3201
NSN 5905-00-233-7524
NSN 4140-01-465-8611
NSN 5895-01-485-0393
NSN 5895-01-378-9817
NSN 6110-00-575-9795
NSN 5990-00-613-2279
NSN 5965-01-178-2367
NSN 6645-01-343-1676
NSN 5915-01-251-8663