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 5915-00-116-4015
NSN 6110-01-286-2190
NSN 4140-01-205-0197
NSN 6685-01-550-6631
NSN 5905-00-851-0902
NSN 5935-00-405-3180
NSN 6220-01-443-3031
NSN 5925-00-330-8778
NSN 6130-01-555-0762
NSN 6135-01-495-0933
NSN 5960-00-807-4701
NSN 4140-01-043-5089