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 5905-00-847-3115
NSN 6130-00-227-2124
NSN 5935-01-418-4842
NSN 6610-01-364-8295
NSN 6240-01-066-6522
NSN 6645-00-787-0651
NSN 5999-00-456-4819
NSN 6645-00-144-4868
NSN 6220-01-619-0567
NSN 5920-01-549-9647
NSN 5935-00-952-2204
NSN 5960-01-007-6811